CP Chemistry Semester 1 Final Exam

Last updated almost 2 years ago

48 questions

Instructions

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Library

CP Chemistry Semester 1 Final Exam

Last updated almost 2 years ago

48 questions

Instructions

Use the attached periodic table and ion charts to help you in your progress. They will enlarge when you click on them. When you have images on the test, you can click to enlarge them as well.

1

5

Draggable item		Corresponding Item

1

8

3

An isotope is an atom of the __________ element but with a different number of ​__________. This difference causes the ​__________ of the atom to change.

4

According to the periodic table, how many neutrons are in a potassium atom that has an atomic mass of 41?

20

22

19

39

Use the Periodic Table of Elements to answer the following question.
Which sentence about the periodic table of elements is true?

All elements in group 18 are metals.

All elements in period 2 are metals.

Metals are found on the right side of the periodic table.

Metals are found on the left side of the periodic table.

Steel is a metal that is made from iron and carbon. During the steel making process, iron and carbon are melted, blended together, and then allowed to harden into a solid. The iron and carbon do not chemically react with each other. After steel was made, 20 samples were taken from one piece and tested. Each sample contained 98% iron and 2% carbon.
Which of the following terms best describes steel?

heterogeneous mixture

homogeneous mixture

element

compound

When magnesium (Mg) metal is burned in the presence of oxygen (O2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is

a solution.

a compound.

an element.

a mixture.

What do the elements sulfur (S), nitrogen (N), phosphorus (P), and bromine (Br) have in common?

They have the same number of protons.

They are noble (inert) gases.

They are nonmetals.

They have the same thermal conductivity.

A diagram of the periodic table is shown below.

In which region of the table would nonmetals be found?

4

1

3

2

Which class of elements best conducts electricity?

metals

noble gases

semimetals

nonmetals

Iodine would have chemical properties most like

tellurium (Te)

xenon (Xe)

manganese (Mn)

chlorine (Cl)

Which of the follow is the most important factor in determining an element's place in the periodic table?

Atomic charge

Number of neutrons

Number of protons

Atomic density

The atomic number of iron is 26, and the atomic mass is 55.847. What do these numbers mean in relationship to the number of protons, electrons, and neutrons?

There are 26 protons and 26 electrons. Some atoms of iron have 29 neutrons; the .847 shows that there is more than one isotope of iron.

There are 26 protons and 29 neutrons. Each particle has and atomic mass of 1.

There are 26 protons and 26 neutrons. Since neutrons have slightly more mass than protons, the mass is greater than 52.

There are 26 each of protons and neutrons and the rest of the mass is the result of electrons.

Refer to the portion of the periodic table to answer the question that follows.

Which element in this group would be the least likely to react with other elements?

Carbon

Boron

Oxygen

Neon

What do all of the elements listed above have in common?

They are in the same period

They have the same number of electrons

They have four electrons in their outer shells

They are metals

Jeanette is studying a substance. Which property of the substance is chemical?

Its melting point

its density

its flammability

its temperature

The table below show the physical properties of selected metals.

A cube of an unknown metal has a volume of 2.25 cm3 and a mass of 16.2 g. Based on data in the table above, what is the identity of this metal?

ruthenium

polonium

chromium

bismuth

Which of the following trends in the periodic table should be expected as the atomic number of the halogens increases from fluorine (F) to iodine (I)?

Atomic mass decreases

Atomic radius decreases

Electron number decreases

Electronegativity decreases

Which of the following elements is a member of the halogen family and is located in period 3?

chlorine (Cl)

argon (Ar)

sulfur (S)

bromine (Br)

Which of the following statements explains why elements of the alkali metal family are highly reactive?

Alkali metals have an odd number of neutrons

Alkali metals are negatively charged.

Alkali metals are easily ionized.

Alkali metals have an odd number of protons.

Which correctly list four atoms from smallest to largest radius size?

F, I, Br, Cl

I, Br, Cl, F

Cl, S, P, Si

Si, P, S, Cl

Which statement best describes the density of an atom's nucleus according to the modern theory of the atom?

The nucleus occupies very little of the atom's volume but contains most of its mass

The nucleus occupies most of the atom's volume and contains most of its mass

The nucleus occupies very little of the atom's volume and contains little of its mass

The nucleus occupies most of the atom's volumes but contains little of its mass

Which of the following elements can form an anion that contains 54 electrons, 74 neutrons, and 53 protons?

Soda ash, or sodium carbonate, is used in glassmaking. It is composed of sodium ions and carbonate ions. Which of the following is the chemical formula of sodium carbonate?

NaCO3

Na2CO3

Na4C2O6

Na(CO3)2

The diagram below represents particles of different elements in a crystal.

What types of bond holds these particles together?

polar

hydrogen

covalent

ionic

Which is the correct formula for aluminum oxide?

Al2O3

Al3O6

AlO2

Al3O2

Which of the following occurs in an ionic bond?

similarly charged ions attract

two ions share protons

two ions share electrons

oppositely charged ions attract

Monica made a snack for her friends by putting pretzels, peanuts, and raisins together in a bowl.

Which statement describes Monica's snack?

it is a new compound because a physical change too place

it is a solution because the ingredients cannot be separated

it is a mixture because each ingredient kept its original properties

it is a new element because a chemical change took place

Calvin combines magnesium (Mg) and fluorine (F). Based on the periodic table, which statement describes the interaction of these two elements?

Mg is a metalloid and F is a nonmetal that forms a covalent bond

Mg is a metal and F is a metal that forms a covalent bond

Mg is a nonmetal and F is a metal that forms an ionic bond

Mg is a metal and F is a nonmetal that forms an ionic bond

A balanced chemical equation reflects the idea that the mass of the products

equals the mass of the reactants

is less than the mass of the reactants

is not related to the mass of the reactants

is greater than the mass of the reactants

Which of the following is an example of a chemical change?

cutting an apple into slices

melting a stick of butter to pour over popcorn

freezing liquid water into an ice cube

burning a scented candle

Solids have a definite shape and volume. This is because

the molecules in solids move past each other easily

the molecules in solids do not move at all

the molecules in solids stay in a definite location and vibrate

the molecules in solids move freely in all directions

The picture below shows a solid floating in a liquid.

Which of the following statements describes one way that solids are different from liquids?

solids have a definite shape and liquids do not

solids take up space and liquids do not

solids have weight and liquids do not

solids have a definite volume and liquids do not

Which of the following shows an example of a chemical change?

Which of the following statement explains why oxygen is classified as a pure substance and air is classified as a mixture?

oxygen is more reactive than air

oxygen undergoes phase changes, whereas air is always a gas

oxygen has a higher density than air

oxygen only contains one substance, but air contains several substances

Which elements are both classified as metalloids?

B and C

Si and P

Bi and Po

Ge and As

If the formula of the oxide of metal M is MO, what is the most probable formula of the chloride of metal M?

MCl

MCl2

MCl3

M2Cl

In an experiment, 12.0 grams of solid carbon reacted with oxygen gas to form 44.0 grams of carbon dioxide gas. How many grams of oxygen reacted with the carbon?
C(s) + O2(g) --> CO2(g)

44.0 grams

56.0 grams

32.0 grams

12.0 grams

A yellowish cloudy liquid is poured through a filter. A yellow solid remains in the filter and a clear colorless liquid appears in the beaker below. What can be concluded from this information?

the yellow solid and clear liquid are probably both elements

The yellowish, cloudy liquid was probably a compound

Neither the yellow solid nor the clear liquid is a compound

The yellowish, cloudy liquid was probably a mixture

Which particle is a negatively charged ion?

Hydrogen (H) with 1 proton, 0 neutrons, and 1 electron

Magnesium (Mg) with 12 protons, 12 neutrons, and 12 electrons

Chlorine (Cl) with 17 protons, 18 neutrons, and 18 electrons

Sodium (Na) with 11 protons, 12, neutrons, and 10 electrons

Of the following elements, which element has the highest first ionization energy?

lithium (Li)

boron (B)

beryllium (Be)

carbon (C)

Match the following on what physical property you would use to separate the mixture.

Draggable item		Corresponding Item
density		sand and salt
solubility		iron and sulfur
magnetism		salt water
boiling point		rocks and sand
size of particles		oil and water

When elements combine to form a compound, it is reasonable to predict that the compound

will have physical properties different from the elements.

will have the same characteristics as the elements.

will have less mass than the element.

will have a greater total volume than the elements.

An isotope is an atom of the __________ element but with a different number of ​__________. This difference causes the ​__________ of the atom to change.

Other Answer Choices:

Isotopic Mass

Element Symbol

Atomic Number

Ionic Charge

Draggable item		Corresponding Item

According to the periodic table, how many neutrons are in a potassium atom that has an atomic mass of 41?

20

22

19

39

Use the Periodic Table of Elements to answer the following question.
Which sentence about the periodic table of elements is true?

All elements in group 18 are metals.

All elements in period 2 are metals.

Metals are found on the right side of the periodic table.

Metals are found on the left side of the periodic table.

Steel is a metal that is made from iron and carbon. During the steel making process, iron and carbon are melted, blended together, and then allowed to harden into a solid. The iron and carbon do not chemically react with each other. After steel was made, 20 samples were taken from one piece and tested. Each sample contained 98% iron and 2% carbon.
Which of the following terms best describes steel?

heterogeneous mixture

homogeneous mixture

element

compound

When magnesium (Mg) metal is burned in the presence of oxygen (O2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is

a solution.

a compound.

an element.

a mixture.

What do the elements sulfur (S), nitrogen (N), phosphorus (P), and bromine (Br) have in common?

They have the same number of protons.

They are noble (inert) gases.

They are nonmetals.

They have the same thermal conductivity.

A diagram of the periodic table is shown below.

In which region of the table would nonmetals be found?

4

1

3

2

Which class of elements best conducts electricity?

metals

noble gases

semimetals

nonmetals

Iodine would have chemical properties most like

tellurium (Te)

xenon (Xe)

manganese (Mn)

chlorine (Cl)

Which of the follow is the most important factor in determining an element's place in the periodic table?

Atomic charge

Number of neutrons

Number of protons

Atomic density

The atomic number of iron is 26, and the atomic mass is 55.847. What do these numbers mean in relationship to the number of protons, electrons, and neutrons?

There are 26 protons and 26 electrons. Some atoms of iron have 29 neutrons; the .847 shows that there is more than one isotope of iron.

There are 26 protons and 29 neutrons. Each particle has and atomic mass of 1.

There are 26 protons and 26 neutrons. Since neutrons have slightly more mass than protons, the mass is greater than 52.

There are 26 each of protons and neutrons and the rest of the mass is the result of electrons.

Refer to the portion of the periodic table to answer the question that follows.

Which element in this group would be the least likely to react with other elements?

Carbon

Boron

Oxygen

Neon

What do all of the elements listed above have in common?

They are in the same period

They have the same number of electrons

They have four electrons in their outer shells

They are metals

Jeanette is studying a substance. Which property of the substance is chemical?

Its melting point

its density

its flammability

its temperature

The table below show the physical properties of selected metals.

A cube of an unknown metal has a volume of 2.25 cm3 and a mass of 16.2 g. Based on data in the table above, what is the identity of this metal?

ruthenium

polonium

chromium

bismuth

Which of the following trends in the periodic table should be expected as the atomic number of the halogens increases from fluorine (F) to iodine (I)?

Atomic mass decreases

Atomic radius decreases

Electron number decreases

Electronegativity decreases

Which of the following elements is a member of the halogen family and is located in period 3?

chlorine (Cl)

argon (Ar)

sulfur (S)

bromine (Br)

Which of the following statements explains why elements of the alkali metal family are highly reactive?

Alkali metals have an odd number of neutrons

Alkali metals are negatively charged.

Alkali metals are easily ionized.

Alkali metals have an odd number of protons.

Which correctly list four atoms from smallest to largest radius size?

F, I, Br, Cl

I, Br, Cl, F

Cl, S, P, Si

Si, P, S, Cl

Which statement best describes the density of an atom's nucleus according to the modern theory of the atom?

The nucleus occupies very little of the atom's volume but contains most of its mass

The nucleus occupies most of the atom's volume and contains most of its mass

The nucleus occupies very little of the atom's volume and contains little of its mass

The nucleus occupies most of the atom's volumes but contains little of its mass

Which of the following elements can form an anion that contains 54 electrons, 74 neutrons, and 53 protons?

Soda ash, or sodium carbonate, is used in glassmaking. It is composed of sodium ions and carbonate ions. Which of the following is the chemical formula of sodium carbonate?

NaCO3

Na2CO3

Na4C2O6

Na(CO3)2

The diagram below represents particles of different elements in a crystal.

What types of bond holds these particles together?

polar

hydrogen

covalent

ionic

Which is the correct formula for aluminum oxide?

Al2O3

Al3O6

AlO2

Al3O2

Which of the following occurs in an ionic bond?

similarly charged ions attract

two ions share protons

two ions share electrons

oppositely charged ions attract

Monica made a snack for her friends by putting pretzels, peanuts, and raisins together in a bowl.

Which statement describes Monica's snack?

it is a new compound because a physical change too place

it is a solution because the ingredients cannot be separated

it is a mixture because each ingredient kept its original properties

it is a new element because a chemical change took place

Calvin combines magnesium (Mg) and fluorine (F). Based on the periodic table, which statement describes the interaction of these two elements?

Mg is a metalloid and F is a nonmetal that forms a covalent bond

Mg is a metal and F is a metal that forms a covalent bond

Mg is a nonmetal and F is a metal that forms an ionic bond

Mg is a metal and F is a nonmetal that forms an ionic bond

A balanced chemical equation reflects the idea that the mass of the products

equals the mass of the reactants

is less than the mass of the reactants

is not related to the mass of the reactants

is greater than the mass of the reactants

Which of the following is an example of a chemical change?

cutting an apple into slices

melting a stick of butter to pour over popcorn

freezing liquid water into an ice cube

burning a scented candle

Solids have a definite shape and volume. This is because

the molecules in solids move past each other easily

the molecules in solids do not move at all

the molecules in solids stay in a definite location and vibrate

the molecules in solids move freely in all directions

The picture below shows a solid floating in a liquid.

Which of the following statements describes one way that solids are different from liquids?

solids have a definite shape and liquids do not

solids take up space and liquids do not

solids have weight and liquids do not

solids have a definite volume and liquids do not

Which of the following shows an example of a chemical change?

Which of the following statement explains why oxygen is classified as a pure substance and air is classified as a mixture?

oxygen is more reactive than air

oxygen undergoes phase changes, whereas air is always a gas

oxygen has a higher density than air

oxygen only contains one substance, but air contains several substances

Which elements are both classified as metalloids?

B and C

Si and P

Bi and Po

Ge and As

If the formula of the oxide of metal M is MO, what is the most probable formula of the chloride of metal M?

MCl

MCl2

MCl3

M2Cl

In an experiment, 12.0 grams of solid carbon reacted with oxygen gas to form 44.0 grams of carbon dioxide gas. How many grams of oxygen reacted with the carbon?
C(s) + O2(g) --> CO2(g)

44.0 grams

56.0 grams

32.0 grams

12.0 grams

A yellowish cloudy liquid is poured through a filter. A yellow solid remains in the filter and a clear colorless liquid appears in the beaker below. What can be concluded from this information?

the yellow solid and clear liquid are probably both elements

The yellowish, cloudy liquid was probably a compound

Neither the yellow solid nor the clear liquid is a compound

The yellowish, cloudy liquid was probably a mixture

Which particle is a negatively charged ion?

Hydrogen (H) with 1 proton, 0 neutrons, and 1 electron

Magnesium (Mg) with 12 protons, 12 neutrons, and 12 electrons

Chlorine (Cl) with 17 protons, 18 neutrons, and 18 electrons

Sodium (Na) with 11 protons, 12, neutrons, and 10 electrons

Of the following elements, which element has the highest first ionization energy?

lithium (Li)

boron (B)

beryllium (Be)

carbon (C)

Match the following on what physical property you would use to separate the mixture.

density

sand and salt

solubility

iron and sulfur

magnetism

salt water

boiling point

rocks and sand

size of particles

oil and water

When elements combine to form a compound, it is reasonable to predict that the compound 

will have physical properties different from the elements.

will have the same characteristics as the elements.

will have less mass than the element.

will have a greater total volume than the elements.

Drag and drop the pictures into the correct category to show chemical or physical change

Chemical Change

Physical Change

Calculate the molecular mass of PbSO4.

303 amu

32 amu

207 amu

1,020 amu

Matching the change of phases occuring below

Solid to gas

Freezing

Liquid to solid

Evaporation

Liquid to gas

Sublimation

There are two reactants in a chemical equation, and one product.  The mass of the product is 30g.  The mass of the first reactant is 17g.  What must the mass of the second reactant be, if the equation is to follow the law of conservation of mass?

13g

30g

47g

You can't tell from given information

The above Lewis Dot Structure would be correct for an element from which group of the periodic table?

Group 16

Group 18

Group 2

Group 13

Decide whether the following properties of matter are intensive or extensive

Color of orange juice

Boiling point of water

Mass of an egg

Density of gold

Size of a cell phone screen

Taste of chocolate

Intensive

Extensive

CP Chemistry Semester 1 Final Exam

CP Chemistry Semester 1 Final Exam

According to the periodic table, how many neutrons are in a potassium atom that has an atomic mass of 41?

Use the Periodic Table of Elements to answer the following question.Which sentence about the periodic table of elements is true?

When magnesium (Mg) metal is burned in the presence of oxygen (O2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is

What do the elements sulfur (S), nitrogen (N), phosphorus (P), and bromine (Br) have in common?

A diagram of the periodic table is shown below.In which region of the table would nonmetals be found?

Which class of elements best conducts electricity?

Iodine would have chemical properties most like

Which of the follow is the most important factor in determining an element's place in the periodic table?

The atomic number of iron is 26, and the atomic mass is 55.847. What do these numbers mean in relationship to the number of protons, electrons, and neutrons?

Refer to the portion of the periodic table to answer the question that follows.Which element in this group would be the least likely to react with other elements?

What do all of the elements listed above have in common?

Jeanette is studying a substance. Which property of the substance is chemical?

The table below show the physical properties of selected metals.A cube of an unknown metal has a volume of 2.25 cm3 and a mass of 16.2 g. Based on data in the table above, what is the identity of this metal?

Which of the following trends in the periodic table should be expected as the atomic number of the halogens increases from fluorine (F) to iodine (I)?

Which of the following elements is a member of the halogen family and is located in period 3?

Which of the following statements explains why elements of the alkali metal family are highly reactive?

Which correctly list four atoms from smallest to largest radius size?

Which statement best describes the density of an atom's nucleus according to the modern theory of the atom?

Which of the following elements can form an anion that contains 54 electrons, 74 neutrons, and 53 protons?

Soda ash, or sodium carbonate, is used in glassmaking. It is composed of sodium ions and carbonate ions. Which of the following is the chemical formula of sodium carbonate?

The diagram below represents particles of different elements in a crystal.What types of bond holds these particles together?

Which is the correct formula for aluminum oxide?

Which of the following occurs in an ionic bond?

Monica made a snack for her friends by putting pretzels, peanuts, and raisins together in a bowl.Which statement describes Monica's snack?

Calvin combines magnesium (Mg) and fluorine (F). Based on the periodic table, which statement describes the interaction of these two elements?

A balanced chemical equation reflects the idea that the mass of the products

Which of the following is an example of a chemical change?

Solids have a definite shape and volume. This is because

The picture below shows a solid floating in a liquid.Which of the following statements describes one way that solids are different from liquids?

Which of the following shows an example of a chemical change?

Which of the following statement explains why oxygen is classified as a pure substance and air is classified as a mixture?

Which elements are both classified as metalloids?

If the formula of the oxide of metal M is MO, what is the most probable formula of the chloride of metal M?

In an experiment, 12.0 grams of solid carbon reacted with oxygen gas to form 44.0 grams of carbon dioxide gas. How many grams of oxygen reacted with the carbon?C(s) + O2(g) --> CO2(g)

A yellowish cloudy liquid is poured through a filter. A yellow solid remains in the filter and a clear colorless liquid appears in the beaker below. What can be concluded from this information?

Which particle is a negatively charged ion?

Of the following elements, which element has the highest first ionization energy?

Match the following on what physical property you would use to separate the mixture.

When elements combine to form a compound, it is reasonable to predict that the compound

Use the Periodic Table of Elements to answer the following question.
Which sentence about the periodic table of elements is true?

A diagram of the periodic table is shown below.

In which region of the table would nonmetals be found?

Refer to the portion of the periodic table to answer the question that follows.

Which element in this group would be the least likely to react with other elements?

The table below show the physical properties of selected metals.

A cube of an unknown metal has a volume of 2.25 cm3 and a mass of 16.2 g. Based on data in the table above, what is the identity of this metal?

The diagram below represents particles of different elements in a crystal.

What types of bond holds these particles together?

Monica made a snack for her friends by putting pretzels, peanuts, and raisins together in a bowl.

Which statement describes Monica's snack?

The picture below shows a solid floating in a liquid.

Which of the following statements describes one way that solids are different from liquids?

In an experiment, 12.0 grams of solid carbon reacted with oxygen gas to form 44.0 grams of carbon dioxide gas. How many grams of oxygen reacted with the carbon?
C(s) + O2(g) --> CO2(g)