Compounds and mixtures

1

This is a picture of a(an) __________, the building block of matter.

element

compound

mixture

atom

1

In the picture above, water is an example of

1

Silver is found on the periodic chart. Therefore, it must be a (an)

element

compound

mixture

all of the above

1

How many molecules are there in the formula 4C₂H₃?

20

4

3

2

1

Use the information below to answer the following question.
N = nitrogen
Cl = chlorine
H = hydrogen
C = carbon
Na = sodium
What elements make up the molecule NaCl?

sodium and carbon

sodium and chlorine

nitrogen and carbon

nitrogen and chlorine

1

What does the picture above represent and why?

elements because there are 3 different colors

elements because they are only connected to other atoms of the same color

compounds because there are 3 different colors

compounds because there are more than one atom in each model

1

The picture above is an example of a(an)

element

atom

compound

1

These particles are most likely in what state?

Solid

Liquid

Gas

All of the above

1

Two or more atoms joined together is called a Molecule.

Skutečný

Falešný

1

Liquid does....

change shape and change volume

change shape but not volume

not change shape but change volume

not change shape and not change volume

1

Which one of which of the following is not a part of an atom?

Proton

Molecule

Neutron

Electron

1

A particle in the nucleus with no electrical charge is known as a(n)

atomic number

isotope

electron

Neutron

1

Isotopes are atoms of the same element with the same number of protons and

a different number of electrons

a different number of molecules

a different number of neutrons

the same number of neutrons

1

In an element with a neutral charge, the atomic number is equal to the number of

1

An atom becomes negatively charged by

gaining an electron

losing an electron

losing a proton

gaining a neutron

1

What is the maximum number of electrons that are allowed on the second shell/orbit?

9

7

8

3

1

An atom can be identified by the number of_______________in the nucleus of an atom.

protons

electrons

Neutrons

1

Potassium has an atomic number of 19 and a mass number of 39. So, it has _________________neutrons.

19

18

20

21

1

Which of the following would be an isotope of aluminum?

Atom A: mass number=24, atomic number=13

Atom B: mass number=24, atomic number=12

Atom C: mass number=26, atomic number=14

Atom D: mass number=22, atomic number=11

1

Which statement is true about the Periodic Table?

The Periodic Table allows you to easily compare the properties of one element to another

Each horizontal row of the Periodic Table is called a group

Each vertical column of the Periodic Table is called a period

All of the above are correct

1

In the Periodic Table, the vertical columns that extend down the Periodic Table are called

periods

groups

classes

1

Which scientist is credited with inventing the Periodic Table?

Gregor Mendel

Watson and Crick

Albert Einstein

Dimitri Mendeleev

1

In the Modern Periodic Table, the elements are arranged in order of

increasing mass

increasing atomic volume

increasing atomic number

the alphabet

1

2. What is the atomic number for Beryllium?

40

5

107

4

1

3. Which element has the symbol B?

Beryllium

Boron

Bromine

Borhium

1

4. What is the symbol for Fluorine?

f

F

Fl

Fo

1

7. What is the atomic number of Bromine?

5

3

35

83

1

9. Which element's symbol is F?

1

17. Which group can you find Gold?

6

11

1

16

1

20. What is the symbol for Tin?

Sn

S

T

Ti

1

Whenever you are in the classroom or laboratory, you should wear

sandals

open toe shoes

closed toe shoes

no shoes

1

The correct way to move about the classroom or laboratory is to

run

dance

walk

skip

1

Eyeglasses do not provide as much protection as

a face shield

splash-proof goggles

safety glasses

all of these

10

1

Compounds and mixtures

This is a picture of a(an) __________, the building block of matter.

In the picture above, water is an example of

Silver is found on the periodic chart. Therefore, it must be a (an)

How many molecules are there in the formula 4C2H3?

Use the information below to answer the following question.N = nitrogenCl = chlorineH = hydrogenC = carbonNa = sodiumWhat elements make up the molecule NaCl?

What does the picture above represent and why?

The picture above is an example of a(an)

These particles are most likely in what state?

Two or more atoms joined together is called a Molecule.

Liquid does....

Which one of which of the following is not a part of an atom?

A particle in the nucleus with no electrical charge is known as a(n)

Isotopes are atoms of the same element with the same number of protons and

In an element with a neutral charge, the atomic number is equal to the number of

An atom becomes negatively charged by

What is the maximum number of electrons that are allowed on the second shell/orbit?

An atom can be identified by the number of_______________in the nucleus of an atom.

Potassium has an atomic number of 19 and a mass number of 39. So, it has _________________neutrons.

Which of the following would be an isotope of aluminum?

Which statement is true about the Periodic Table?

In the Periodic Table, the vertical columns that extend down the Periodic Table are called

Which scientist is credited with inventing the Periodic Table?

In the Modern Periodic Table, the elements are arranged in order of

2. What is the atomic number for Beryllium?

3. Which element has the symbol B?

4. What is the symbol for Fluorine?

7. What is the atomic number of Bromine?

9. Which element's symbol is F?

17. Which group can you find Gold?

20. What is the symbol for Tin?

Whenever you are in the classroom or laboratory, you should wear

The correct way to move about the classroom or laboratory is to

Eyeglasses do not provide as much protection as

This is a picture of a(an) __________, the building block of matter.

In the picture above, water is an example of

Silver is found on the periodic chart. Therefore, it must be a (an)

How many molecules are there in the formula 4C2H3?

Use the information below to answer the following question.N = nitrogenCl = chlorineH = hydrogenC = carbonNa = sodiumWhat elements make up the molecule NaCl?

What does the picture above represent and why?

The picture above is an example of a(an)

These particles are most likely in what state?

Two or more atoms joined together is called a Molecule.

Liquid does....

Which one of which of the following is not a part of an atom?

A particle in the nucleus with no electrical charge is known as a(n)

Isotopes are atoms of the same element with the same number of protons and

In an element with a neutral charge, the atomic number is equal to the number of

An atom becomes negatively charged by

What is the maximum number of electrons that are allowed on the second shell/orbit?

An atom can be identified by the number of_______________in the nucleus of an atom.

Potassium has an atomic number of 19 and a mass number of 39. So, it has _________________neutrons.

Which of the following would be an isotope of aluminum?

Which statement is true about the Periodic Table?

In the Periodic Table, the vertical columns that extend down the Periodic Table are called

Which scientist is credited with inventing the Periodic Table?

In the Modern Periodic Table, the elements are arranged in order of

2. What is the atomic number for Beryllium?

3. Which element has the symbol B?

4. What is the symbol for Fluorine?

7. What is the atomic number of Bromine?

9. Which element's symbol is F?

17. Which group can you find Gold?

20. What is the symbol for Tin?

Whenever you are in the classroom or laboratory, you should wear

The correct way to move about the classroom or laboratory is to

Eyeglasses do not provide as much protection as

A solution is:

Which answer best defines a solvent?

A mixture is best defined as:

Which answer best defines a solute?

Which answer best defines solubility?

Which answer best defines an alloy?

CS Which elements are in the chemical formula shown above?

CSHow many different elements are in a compound with the formula IF7?

Co5. Which elements are in the formula shown above?

6. Which of the following substances is considered a compound?

How many different elements are in a compound with the formula H2CrO4?

How many different elements are in a compound with the formula C5H11NO2S?A 3 elements B 4 elements C 5 elements D 6 elements

How many molecules are there in the formula 4C₂H₃?

Use the information below to answer the following question.
N = nitrogen
Cl = chlorine
H = hydrogen
C = carbon
Na = sodium
What elements make up the molecule NaCl?

How many molecules are there in the formula 4C₂H₃?

Use the information below to answer the following question.
N = nitrogen
Cl = chlorine
H = hydrogen
C = carbon
Na = sodium
What elements make up the molecule NaCl?

CS

Which elements are in the chemical formula shown above?

CS
How many different elements are in a compound with the formula IF7?

Co
5. Which elements are in the formula shown above?

How many different elements are in a compound with the formula C5H11NO2S?
A 3 elements
B 4 elements
C 5 elements
D 6 elements

CS

Which elements are in the chemical formula shown above?

CS
How many different elements are in a compound with the formula IF7?

Co
5. Which elements are in the formula shown above?

How many different elements are in a compound with the formula C5H11NO2S?
A 3 elements
B 4 elements
C 5 elements
D 6 elements