Sign up for FREE

Physical Science Final Exam spring 2023

Last updated almost 3 years ago

75 questions

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

2

2

2

2

2

2

1

1

1

2

2

2

2

1

1

1

2

1

1

1

1

1

2

2

2

2

3

3

2

2

2

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

Question 19

19.

Question 20

20.

Question 21

21.

Question 22

22.

Question 23

23.

Question 24

24.

Question 25

25.

Question 26

26.

Question 27

27.

Question 28

28.

Question 29

29.

Question 30

30.

Question 31

31.

Question 32

32.

Question 33

33.

Question 34

34.

Question 35

35.

Question 36

36.

Question 37

37.

Question 38

38.

Question 39

39.

Question 40

40.

Question 41

41.

Question 42

42.

Question 43

43.

Question 44

44.

Question 45

45.

Question 46

46.

Question 47

47.

Question 48

48.

Question 49

49.

Question 50

50.

Question 51

51.

Question 52

52.

Question 53

53.

Question 54

54.

Question 55

55.

Question 56

56.

Question 57

57.

Question 58

58.

Question 59

59.

Question 60

60.

Question 61

61.

Question 62

62.

Question 63

63.

Question 64

64.

Question 65

65.

Question 66

66.

Question 67

67.

Question 68

68.

Question 69

69.

Question 70

70.

Question 71

71.

Question 72

72.

Question 73

73.

Question 74

74.

Question 75

75.

Which of the following is an element?  

ketchup

silver (Ag)

Carbon dioxide (CO2)

Sugar (C6H12O6)

Which of the following is a compound?

Silver (Ag)

Sulfur (S)

Oxygen (O)

Sugar (C6H12O6)

Choose one physical property.

Color

Flammability

Toxicity

pH

corrosiveness

Choose one chemical property.

Color

Flammability

Texture

Smell

The difference between a compound and a mixture is that the elements in a compound are chemically combined, but the components of a mixture are not.

true

false

When a substance melts, or boils, or freezes, it is a _________ change.

Physical change

Chemical change

___________ changes can only be identified after the change has happened.

Physical changes

Chemical changes

Phases (components) of a mixture can be easily seen in a:

homogeneous mixture

heterogeneous mixture

A(n) ________ is the simplest form of matter with its own unique properties, while a(n) _________ is chemically combined in definite proportion.

Mixture; compound

Element; compound

Compound; mixture

mixture; element

A piece of paper is torn into small pieces.

physical change

chemical change

An iron shovel is left outside and becomes covered in rust.

physical change

chemical change

Copper will react with water to form green tarnish.

physical property

chemical property

Sulfur is yellow and smells of rotten eggs.

physical property

chemical property

The change from solid to liquid is called

boiling

condensing

melting

freezing

Niels Bohr proposed this model of the atom, whose name comes from the position of electrons in orbits around the nucleus. What is it called?

Billiard Ball model

Plum Pudding model

Planetary model

Quantum model

An element’s atomic number is the

number of neutrons

number of protons

number of valence electrons

distance in picometers

If an element has 9 protons and 10 neutrons, its atomic mass will be

19

20

10

18

If an element has 9 protons and 10 neutrons, the atomic number will be

19

20

9

18

Which region of the atom has the most mass?

Nucleus, because it contains neutrons only

Nucleus, because it contains protons only

Nucleus, because it contains protons and neutrons

Electron cloud

Which region of the atom occupies the most space?

Nucleus, because it contains neutrons only

Nucleus, because it contains protons only

Nucleus, because it contains protons and neutrons

Electron cloud

An atom has a neutral charge because

The number of protons and neutrons are equal

The number of protons and electrons are equal

Neutrons balance the protons and electrons

Elements that have the same number of protons but different numbers of neutrons are called

allotropes

ions

isotopes

isomers

Choose the element that is liquid at room temperature.

Silver

Copper

Mercury

Iron

Metals are

Located on left side of the PT

Shiny, malleable, ductile, conductive

80% of the elements on the periodic table

all of the above

What is the most reactive element on the periodic table?

francium

cesium 

fluorine

hafnium

Elements within each group of the periodic table share similar chemical properties because they have identical

mass numbers

valence electrons

electron configurations

number of energy levels

Which of the following is a noble gas?

nitrogen

sodium

potassium

neon

Which of the following  is an alkali metal?

calcium

potassium

oxygen

silver

Which of the following is a halogen?

gold

phosphorus

chlorine

boron

Which of the following is a transition metal?

zinc

aluminum

magnesium

iodine

Which of these is a property of covalent compounds?

soluble in water

are not conductive as solids

have high melting/boiling points

are soft solids

Metals are found on the __________ side of the periodic table, and they form __________, which are positively charged.

Left, anions

Left, cations

Right, anions

Right, cations

What type of bond would form between nitrogen and oxygen?

covalent

ionic

This type of bonding has valence electrons that move freely throughout the substance.

metallic

ionic

covalent

An ionic bond will form between

A nonmetal and nonmetal

A metal and a nonmetal

A metal and a metal

Metallic ions use the element name with no changes when naming compounds.

true

false

Non-metallic ions use the root portion of the element name with “ide” added when naming compounds.

true

false

Prefixes are used when naming

covalent bonds only

ionic bonds only

both ionic and covalent bonds

metallic bonds

The prefix for "two" is 

Tri-

di-

tetra-

penta_

The prefix for "five" is 

di-

tri-

penta-

mono-

The formula for phosphate is

SO42-

NO31-

PO43-

CN1-

The formula for sulfate is

CN1-

OH1-

NO21-

SO42-

The formula for ammonium is

CN1-

OH1-

NH41+

SO32-

The formula for hydroxide is

OH1-

CN1-

SO42-

PO43-

The name of this compound, Mg3P2, is

Magnesium phosphate

Magnesium phosphide

manganese phosphate

manganese phosphide

Name this compound: NaOH

Sodium oxyhydride

Sodium dihydride

Sodium hydroxide

Sodium monohydride

Name the following:  MgO

oxygen magneside

oxide magneside

monomagnesium monoxide

magnesium oxide

Name this compound: Na3N

sodium nitrate

sodium nitrite

sodium nitride

monosodium mononitride

The formula for carbon tetrachloride

CaCl

CaCl4

CCl4

CCl

Formula for phosphorus pentachloride

PCl5

P5Cl

PhCl5

Ph5Cl

Name this compound: SO2

Sulfur oxide

Sulfur dioxide

monosulfur dioxide

sulfur trioxide

Name this compound: CO

Monocarbon oxide

Carbon oxide

monocarbon monoxide

carbon monoxide

What is the formula for sodium chloride?

NaCl

NaCl2

Na2Cl

NaCl3

What is the formula for carbon tetrahydride?

CH5

CH2

CH4

CH6

What is the formula for copper(II) chloride?

Cu2Cl

CuCl

CuCl2

Cu2Cl2

What is the formula for potassium phosphate?

K(PO4)

KP3

K3(PO4)

K3P

What is the formula for this compound:  ammonium sulfate

(NH4)S2

NH4SO3

(NH4)2(SO4)

N2S3

A chemical equation must have an equal number of atoms on the left and right sides of the arrow.

true

false

In a chemical equation, the arrow means

"equals"

"yields"

"produces"

"results in"

A synthesis reaction has the general form of

A + B --> AB

AB --> A + B

A + BC --> B + AC

AB + CD --> CB + AD

AB + O2 --> AO + B

Products of combustion when CH4 reacts with oxygen would be:

Nitrogen gas (N2) and water (H2O)

Sulfur (S) and carbon dioxide (CO2)

carbon dioxide (CO2) and water (H2O)

carbon dioxide (CO2) and hydrogen gas (H2)

Single replacement reactions can occur when the element added to an ionic compound is less active than the metal in the compound.

true

false

When predicting products of a double replacement reaction, you must use the activity series of metals.

True

False

AB --> A + B is the common form of a __________________ reaction.

synthesis

decomposition

single replacement

double replacement

combustion

In the activity series of elements, their reactivity decreases as you move lower in the list.

true

false

Which of these elements is the most reactive?

Ag

H

Zn

Ba

Which of these chemical equations is correct?

Cu + ZnCl --> Zn + CuCl

Cu + ZnCl --> no reaction

Will this reaction take place? Mg + ZnCl2 —> MgCl2 + Zn

yes

no

Will this reaction take place? 2 Ag + Li2O —> 2 AgO +2 Li

yes

no

One of the products of this reaction [ Mg(OH)2 + NaCl —> ?] is

NaOH

NaMg

MgNa

OHCl

Balance this reaction: _CS2 + _O2 → _CO2 + _SO2

2,4,2,2

3,1,2,1

1, 3, 1, 2

4, 2, 2, 4

Balance this reaction: _CO2 + _H2O → _C2H2 + _O2  (Remember to simplify if needed.)

2,2,1,2

1,1, 2,1

4, 2, 2, 5

3, 1, 2, 4

In the following balanced equation, 4Al + 3O2  --> 2Al2O3  , the four is a

coefficient

subscript

superscript

In the following balanced equation, 4Al + 3O2  --> 2Al2O3  , the three following the oxygen (O)  is a

subscript

coefficient

superscript

Coefficients tell the number of ______________ of a compound present in a chemical reaction, and a subscript tells the number of ____________ present in a compound.

atoms, molecules

molecules, atoms