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EAS Chemistry Fall 2022 Review

Total questions: 77

Worksheet time: 45mins

Name
Class
Date
1.

How many subshells do elements in the p-block have?

a)

5

b)

1

c)

7

d)

3

2.

Which type of substance has a definite shape and a definite volume?

a)

liquid

b)

plasma

c)

solid

d)

gas

3.

Which scientist discovered the positive center of the atom with the gold foil experiment?

a)

J.J. Thomson

b)

Ernest Rutherford

c)

Erwin Schrodinger

d)

Niels Bohr

4.

Which rule/principle states that each orbital can hold a maximum of two electrons and they must have opposite spins?

a)

Aufbau Principle

b)

Hund's Rule

c)

Heisenberg Uncertainty Principle

d)

Pauli Exclusion Principle

5.

Is the following equation balanced?

4Fe (s) + 3O2 (g)→ 2Fe2O3 (s)

a)

Yes

b)

No

6.

Which of the following is an extensive property of a substance?

a)

color

b)

boiling boint

c)

volume

d)

hardness

7.

What do the columns of the periodic table represent?

a)

Electron Shells

b)

Periods

c)

Energy Levels

d)

Groups

8.

How many subshells do elements in the f-block have?

a)

5

b)

1

c)

7

d)

3

9.

An intensive property depends on the __________ of substance.

a)

amount

b)

type

10.

Which type of substance has an indefinite shape and a definite volume?

a)

liquid

b)

plasma

c)

solid

d)

gas

11.

What are the charges on ions of elements in Group 16/6A?

a)

-2

b)

+1

c)

+6

d)

-3

12.

Which type of substance has an indefinite shape and an indefinite volume?

a)

liquid

b)

plasma

c)

solid

d)

gas

13.

According to the electromagnetic (EM) spectrum, as wavelength decreases, the energy and frequency __________.

a)

remains unchanged

b)

increases

c)

cannot be predicted

d)

decreases

14.

Which scientist's atomic theory is represented by Model 1?

a)

Thomson

b)

Dalton

c)

Rutherford

d)

Schrodinger

e)

Bohr

15.

Which of the following are dull, soft/brittle, and poor conductors of heat and electricity?

a)

halogens

b)

nonmetals

c)

noble gases

d)

metals

16.

Which of the following is an intensive property?

a)

density

b)

length

c)

mass

d)

volume

17.

What is the noble gas configuration for zirconium (Zr)?

a)

[Xe]5s25d2

b)

[Kr]5s25d2

c)

[Ar]4s24d2

d)

[Kr]5s24d2

18.

Which of the following elements has the largest atomic radius?

a)

Potassium (K)

b)

Fluorine (F)

c)

Iron (Fe)

d)

Francium (Fr)

19.

What is the name of the following compound?

Ni2O3

a)

Nickel (II) Oxide

b)

Nickel Oxide

c)

Nickel (III) Oxide

d)

Dinickel Trioxide

20.

Which rule/principle states that electrons must occupy each equal-energy orbital with parallel spins before pairing?

a)

Aufbau Principle

b)

Hund's Rule

c)

Heisenberg Uncertainty Principle

d)

Pauli Exclusion Principle

21.

Which scientist's model of the atom is known as the Cloud or Quantum Mechanical Model?

a)

J.J. Thomson

b)

Ernest Rutherford

c)

Erwin Schrodinger

d)

Niels Bohr

22.

How many subshells do elements in the s-block have?

a)

5

b)

1

c)

7

d)

3

23.

What is the chemical formula for magnesium nitrate?

a)

Mg3(NO3)2

b)

Mg(NO3)2

c)

MgNO3

d)

Mg2(NO3)3

24.

Looking at the periodic table, which family does bromine belong to?

a)

noble gases

b)

alkali metals

c)

alkaline earth metals

d)

halogens

25.

What do the rows of the periodic table represent?

a)

Charge

b)

Periods

c)

Valence Electrons

d)

Groups

26.

Is the following equation balanced?

2Al (s) + 3O2 (g) → 2Al2O3 (s)

a)

Yes

b)

No

27.

An extensive property depends on the __________ of substance.

a)

type

b)

amount

28.

Which rule/principle states that electrons will fill the lowest energy level first?

a)

Aufbau Principle

b)

Hund's Rule

c)

Heisenberg Uncertainty Principle

d)

Pauli Exclusion Principle

29.

How many subshells do elements in the d-block have?

a)

5

b)

1

c)

7

d)

3

30.

Which element has the following noble gas configuration?

[Ne]3s23p4

a)

Oxygen

b)

Sulfur

c)

Phosphorus

d)

Carbon

31.

Which of the following is NOT a physical property of matter?

a)

Density

b)

Flammability

c)

Texture

d)

Solubility

32.

What is the name of the following compound?

CuO

a)

Copper (II) Oxide

b)

Copper Oxide

c)

Copper (I) Oxide

d)

Copper Monoxide

33.

What type of reaction is the following?

2C4H10 + 13O2 → 8CO2 + 10H2O

a)

Combustion

b)

Single-Displacement

c)

Decomposition

d)

Double-Displacement

34.

What are the charges on ions of elements in Group 2A?

a)

-2

b)

+1

c)

+2

d)

-3

35.

As we go down a group on the periodic table, atomic radius tends to _________.

a)

stay the same

b)

increase

c)

change irregularly

d)

decrease

36.

Which scientist discovered the electron with the cathode ray tube resulting in the Plum Pudding Model of the atom?

a)

J.J. Thomson

b)

Ernest Rutherford

c)

Erwin Schrodinger

d)

Niels Bohr

37.

Which element does this Bohr Model represent?

a)

Germanium (Ge)

b)

Cobalt (Co)

c)

Chlorine (Cl)

d)

Nickel (Ni)

38.

Which scientist's atomic theory is represented by Model 3?

a)

Thomson

b)

Dalton

c)

Rutherford

d)

Schrodinger

e)

Bohr

39.

How did Henry Moseley arrange the modern periodic table?

a)

None of the above

b)

By atomic number

c)

Alphabetically

d)

By mass

40.

Calculate the density of an object with a volume of 20 cm3 and 100 g.

a)

5 g/cm3

b)

0.2 g/cm3

c)

2,000 g/cm3

d)

20 g/cm3

41.

A ________ change must occur to form a compound.

a)

phase

b)

chemical

c)

temperature

d)

physical

42.

Melting point is an example of a __________.

a)

chemical property

b)

physical change

c)

chemical change

d)

physical property

43.

When an acid is combined with a dark solid, it starts to release a gas (bubbling occurs) and a foul odor is given off. This is an example of a __________.

a)

physical property

b)

chemical change

c)

physical change

d)

chemical property

44.

Which of the following represents the correct Lewis Dot Structure for carbon (C)?

a)

I

b)

II

c)

III

d)

IV

e)

V

45.

What is the chemical formula for tin (IV) oxide?

a)

Sn2O4

b)

SnO2

c)

Sn4O

d)

Sn4O2

46.

What is the correct name for the following compound?

N4O

a)

tetranitrogen oxide

b)

nitrogen oxide

c)

tetranitrogen monoxide

d)

trinitrogen monooxide

47.

Looking at the periodic table, which family does calcium belong to?

a)

noble gases

b)

alkali metals

c)

alkaline earth metals

d)

halogens

48.

How many total atoms are present in Pb2(SO4)4?

a)

28

b)

11

c)

22

d)

14

49.

What type of reaction is the following?

Ni (s) + CuSO4 (aq) → Cu (s) + NiSO4 (aq)

a)

Single-Displacement

b)

Decomposition

c)

Double-Displacement

d)

Synthesis

50.

Which of the following is NOT a chemical property of matter?

a)

Toxicity

b)

Flammability

c)

Reactivity

d)

Solubility

51.

Which state of matter is easily compressible and has a high kinetic energy of molecules?

a)

plasma

b)

solid

c)

gas

d)

liquid

52.

An aluminum (Al) atom will ____ ____ electron(s) when forming an ion.

a)

gain three

b)

lose two

c)

gain one

d)

lose three

53.

Which of the following have luster (shiny), are hard, malleable, ductile, and good conductors of heat and electricity?

a)

halogens

b)

nonmetals

c)

noble gases

d)

metals

54.

What is the name of the following compound?

Na2S

a)

disodium monosulfide

b)

sodium sulfate

c)

sodium sulfide

d)

disodium sulfide

55.

According to the electromagnetic (EM) spectrum, as frequency decreases, the wavelength __________.

a)

remains unchanged

b)

increases

c)

cannot be predicted

d)

decreases

56.

Which scientist's model of the atom is known as the "Planetary" Model?

a)

J.J. Thomson

b)

Ernest Rutherford

c)

Erwin Schrodinger

d)

Niels Bohr

57.

What type of reaction does the following chemical equation represent?

3Mn (s) + Cu3(PO4)2 (aq) → Mn3(PO4)2 (aq) + 3Cu (s)

a)

Decomposition

b)

Double-Displacement

c)

Synthesis

d)

Single-Displacement

58.

Which scientist's atomic theory is represented by Model 4?

a)

Thomson

b)

Dalton

c)

Rutherford

d)

Schrodinger

e)

Bohr

59.

In this nuclear symbol/notation, the number "6" represents the __________.

a)

mass number

b)

average atomic mass

c)

atomic number

d)

number of neutrons

60.

What is the chemical formula for magnesium bromide?

a)

MgBr

b)

MgBr2

c)

Mg2Br2

d)

Mg2Br

61.

When the following equation is balanced, what is the coefficient for phosphorus?

_?_ P + __ O2 → __ P2O3

a)

1

b)

2

c)

3

d)

4

62.

What is the correct name for the following compound?

P3O6

a)

triphosphorus heptoxide

b)

phosphorus oxide

c)

tetraphosphorus pentoxide

d)

triphosphorus hexoxide

63.

Choose the three main types of elements found on the periodic table.

(Choose three answers here)

a)

metal

b)

noble gas

c)

nonmetal

d)

metalloid

e)

halogen

64.

What does the number "14" represent in carbon-14?

a)

Number of electrons

b)

Electric charge

c)

Mass number

d)

Atomic number

65.

What is the atomic number of an element with the following electron configuration?

1s22s22p63s23p64s23d2

a)

22

b)

18

c)

12

d)

20

66.

One similarity between all mixtures and compounds is that both are ________.

a)

solids

b)

homogeneous

c)

made up of two or more substances

d)

liquids

e)

heterogeneous

67.

Looking at the periodic table, which family does argon belong to?

a)

noble gases

b)

alkali metals

c)

alkaline earth metals

d)

halogens

68.

Which of the following elements has the smallest atomic radius?

a)

Oxygen (O)

b)

Aluminum (Al)

c)

Calcium (Ca)

d)

Barium (Ba)

69.

How did Dmitri Mendeleev arrange the very first periodic table?

a)

None of the above

b)

By atomic number

c)

Alphabetically

d)

By mass

70.

Chlorine and bromine have similar chemical properties because they have the same __________.

a)

mass number

b)

number of electron shells

c)

atomic number

d)

number of valence electrons

71.

A substance that CANNOT be broken down by a chemical change is a(n) _______.

a)

molecule

b)

compound

c)

element

72.

Looking at the periodic table, which family does lithium belong to?

a)

noble gases

b)

alkali metals

c)

alkaline earth metals

d)

halogens

73.

A cube with a density of 16 g/cm3 is cut perfectly into eight smaller, identical cubes.

What are the densities of the new cubes?

a)

16 g/cm3

b)

2 g/cm3

c)

128 g/cm3

d)

8 g/cm3

74.

Which scientist's atomic theory is represented by Model 2?

a)

Thomson

b)

Dalton

c)

Rutherford

d)

Schrodinger

e)

Bohr

75.

What shape does the compound sulfur dioxide (SO2) have?

a)

linear

b)

trigonal planar

c)

bent

d)

tetrahedral

76.

Element X has two isotopes.

Isotope 1 (X-52) has a mass of 52 amu with an abundance of 70%.

Isotope 2 (X-58) has a mass of 58 amu with an abundance of 30%.

What is the average atomic mass of Element X?

a)

50.0 amu

b)

5380 amu

c)

57.6 amu

d)

53.8 amu

77.

Calculate the wavelength of light that has a frequency of 2.4 X 1012 Hz (1/s).

The speed of light, c = 3.0 X 108 m/s

a)

1.25 X 10-4 m

b)

7.2 X 1020 m

c)

8.0 X 103 m

d)

2.4 X 10-3 m

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