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Chemistry Semester 1 Final Review

Total questions: 75

Worksheet time: 40mins

Name
Class
Date
1.

Chlorine has _ protons

a)

17

b)

18

c)

35.45

d)

18.45

2.

What is the name of the sodium ion?

a)

sodium ion

b)

sodide

c)

sodium doesn't make ions

d)

sodium

3.

What is the name of the sulfur ion?

a)

sulfur ion

b)

sulfide

c)

sulfur doesn't make ions

d)

sulfur

4.

This is a Bohr model for

a)

lithium

b)

nitrogen

c)

beryllium

d)

hydrogen

e)

helium

5.

Cl is the symbol for

a)

carbon iodine

b)

it's pronounced like see eye

c)

it's pronounced like see ell

d)

chlorine

6.

Mixtures

a)

are made of more than one type of atom that are NOT bonded together

b)

are made of more than one type of atom that ARE bonded together

c)

are made of only only one type of atom

d)

are pure substances

7.

Compounds

a)

are made of more than one type of atom that are NOT bonded together

b)

are made of more than one type of atom that ARE bonded together

c)

are made of only only one type of atom

d)

are heterogeneous

8.

Chlorine has _ electrons

a)

17

b)

18

c)

35.45

d)

18.45

9.

Chlorine has _ neutrons

a)

17

b)

18

c)

35.45

d)

18.45

10.

Elements in a period (row) of the periodic table have this in common

a)

valence electrons

b)

electron shells

c)

proton shells

d)

electrons

11.

Elements in a family (column) of the periodic table have this in common

a)

valence electrons

b)

electron shells

c)

proton shells

d)

electrons

12.

Which of the following is a diatomic molecule?

a)

Cl2

b)

2 Au

c)

He

d)

Be

13.

An electron cloud is

a)

The number of electrons in a neutral atom

b)

The shared electrons in a plasma

c)

The pattern of electrons in a gaseous element

d)

The area where electrons are most likely to be found

14.

Atoms with 1 electron in their outer electron shells tend to

a)

form non-reactive gases

b)

form soft metals that react violently with water

c)

form brightly colored, highly reactive non-metals

d)

form many covalent bonds

15.

Atoms with 8 electrons in their outer electron shells tend to

a)

form non-reactive gases

b)

form soft metals that react violently with water

c)

form brightly colored, highly reactive non-metals

d)

form many covalent bonds

16.

I pour cream in my coffee. Which is the solute?

a)

cream

b)

coffee

c)

sugar

d)

salt

17.

I pour cream in my coffee. Which is the solvent?

a)

cream

b)

coffee

c)

sugar

d)

salt

18.

Which of the following is a chemical change?

a)

When I add blue food coloring, the water turns blue

b)

My shirt faded in the sun.

c)

Bubbles appear in my soda when I twist off the lid

d)

The lights turn on when I move the switch.

19.

Which of the following is a chemical change?

a)

The food in my refrigerator gets cold.

b)

It's colder at night than it is in the day.

c)

I mix two solutions and the flask gets cold.

d)

Water freezes at 0 C

20.

What is the smallest piece of water that still retains all of the properties?

a)

atom

b)

drop

c)

molecule

d)

plasma

21.

What type of reaction is this? 2 Na + Cl2 --> 2 NaCl

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

22.

What type of reaction is this? 2 H2O2 --> 2 H2O + O2

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

23.

What type of reaction is this? Fe + AgNO3 --> FeNO3 + Ag

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

24.

What type of reaction is this? FeCl + AgNO3 --> FeNO3 + AgCl

a)

synthesis

b)

decomposition

c)

single replacement

d)

double replacement

e)

combustion

25.

Atoms of the same element with different numbers of neutrons are called

a)

isotopes

b)

ions

c)

compounds

d)

elements

e)

impossible; this can't happen

26.

Atoms of the same element with different numbers of electrons are called

a)

isotopes

b)

ions

c)

compounds

d)

elements

e)

impossible; this can't happen

27.

Atoms of the same element with different numbers of protons are called

a)

isotopes

b)

ions

c)

compounds

d)

elements

e)

impossible; this can't happen

28.

What is the maximum number of electrons possible in the valence layer of most elements?

a)

2

b)

8

c)

18

d)

32

29.

An atom has 2 protons and 3 neutrons. This is an atom of which element?

a)

Helium

b)

Lilthium

c)

Boron

d)

not possible

30.

Which of the following is balanced?

a)

CH4 + 4 Cl2 --> CCl4 + 4 HCl

b)

CH4 + Cl2 --> CCl4 + HCl

c)

CH4 + 2 Cl2 --> CCl4 + 4 HCl

d)

CH4 + 4 Cl2 --> 2 CCl4 + 2 HCl

31.

What is the correct electron shell configuration for Nitrogen?

a)

7

b)

5-2

c)

2-5

d)

7-0

32.

Name an element that has the same number of valence electrons as chlorine

a)

nitrogen

b)

iodine

c)

sulfur

d)

aluminum

33.

Which of the following shows a Bohr model of Neon?

a)
b)
c)
d)
34.

What is the name of Na2O?

a)

sodium (III) oxygen

b)

sodium (III) oxide

c)

sodium oxide

d)

trisodium monoxide

35.

What is the name of Na2CO3?

a)

sodium carbonate

b)

sodium carbon oxygen

c)

disodium monocarbon trioxide

d)

disodium tricarbonate

36.

What is the name of C2H2?

a)

dicarbon dihydride

b)

carbon hydride

c)

carbon hydroxide

d)

carbon hydrogen

37.

What are the reactants? 2 Na + Cl2 --> 2 NaCl

a)

Na and Cl2

b)

Na

c)

Cl2

d)

NaCl

e)

Cl2 and NaCl

38.

What are the reactants? HCl + Zn --> ZnCl2 + H2

a)

HCl + Zn

b)

ZnCl2 + H2

c)

Zn + ZnCl2

d)

HCl + H2

39.

What are the products? HCl + Zn --> ZnCl2 + H2

a)

HCl + Zn

b)

ZnCl2 + H2

c)

Zn + ZnCl2

d)

HCl + H2

40.

Balance the equation HCl + Zn --> ZnCl2 + H2

a)

2 HCl + Zn --> ZnCl2 + H2

b)

HCl + 2 Zn --> ZnCl2 + H2

c)

HCl + Zn --> 2 ZnCl2 + H2

d)

HCl + Zn --> ZnCl2 +2 H2

41.

How are isotopes different from each other?

a)

different number of protons

b)

different number of neutrons

c)

different number of electrons

d)

different number of ions

42.

To find the atomic mass

a)

find the protons

b)

add protons and neutrons

c)

subtract neutrons from protons

d)

subtract protons from neutrons

43.

To find the atomic number

a)

find the protons

b)

add protons and neutrons

c)

subtract neutrons from protons

d)

subtract protons from neutrons

44.

To find the number of protons

a)

use the atomic number

b)

use the atomic mass

c)

atomic mass - atomic number

d)

atomic number - atomic mass

45.

To find the number of neutrons

a)

use the atomic number

b)

use the atomic mass

c)

atomic mass - atomic number

d)

atomic number - atomic mass

46.

The symbol for polonium

a)

po

b)

Po

c)

PO

d)

P

47.

The symbol for copper

a)

Co

b)

C

c)

Cu

d)

CU

48.

In a neutral atom,

a)

the # of protons and # of neutrons are equal

b)

the # of protons and # of electrons are equal

c)

the # of electrons and # of neutrons are equal

d)

It's impossible to answer, as these can sometimes change

49.

An element that is in the same family as carbon is

a)

silicon

b)

nitrogen

c)

boron

d)

carbonate

50.

How many atoms of each element are in Sn(NO3)2 ?

a)

1 Sn, 1 N, 3 O

b)

1 Sn, 3 N, 3 O

c)

1 Sn, 2 N, 3 O

d)

1 Sn, 2 N, 6 O

51.

Ionic solids have

a)

High melting points and high boiling points

b)

Low melting points and low boiling points

c)

High melting points and low boiling points

d)

Low melting points and high boiling points

52.

Covalent solids have

a)

High melting points and high boiling points

b)

Low melting points and low boiling points

c)

High melting points and low boiling points

d)

Low melting points and high boiling points

53.

Some helium atoms have 3 neutrons. What is the atomic mass?

a)

2

b)

3

c)

4

d)

5

54.

Some helium atoms have 3 neutrons. What is the atomic number?

a)

2

b)

3

c)

4

d)

5

55.

What is the name of Fe2(SO4)3 ?

a)

iron (III) sulfate

b)

ferric sulfate

c)

di-iron trisulfate

d)

iron sulfide

56.

Definite volume, definite shape

a)

solid

b)

liquid

c)

gas

d)

plasma

57.

Definite volume, no definite shape

a)

solid

b)

liquid

c)

gas

d)

plasma

58.

No definite volume, no definite shape

a)

solid

b)

liquid

c)

gas

d)

plasma

59.

Choose the compounds (choose as many as you need to)

a)

water

b)

sugar

c)

chlorine

d)

carbon monoxide

e)

carbon

60.

Choose the elements (choose as many as you need to)

a)

water

b)

sugar

c)

chlorine

d)

carbon monoxide

e)

carbon

61.

Choose the compounds (choose as many as you need to)

a)

Cu

b)

CU

c)

CO

d)

Co

e)

Al2O3

62.
Which of the following is a physical change?
a)
Burning of coal
b)
Digesting food
c)
Souring of milk
d)
Dissolving salt
63.
Which of the following describes a chemical property of an element?
a)
Copper is malleable.
b)
Nonmetals are not shiny.
c)
Sodium reacts violently with water.
d)
Silicon is a poor conductor of electricity.
64.
All of the following are intensive properties EXCEPT:
a)
Hardness
b)
Volume
c)
Density
d)
Color
65.
Which of the following is an extensive property?
a)
density
b)
mass
c)
freezing point
d)
boiling point
66.
Boiling point is the temperature at which a liquid turns into gas. For water, the boiling point is 100˚C. Which of the following is TRUE about boiling point as a property of matter?
a)
Physical and extensive
b)
Physical and intensive
c)
Chemical and intensive
d)
Chemical and extensive
67.
Which of the following will form a heterogeneous mixture?
a)
Kool Aid powder and water
b)
Salt and water
c)
Sugar and water
d)
Oil and water
68.
Which of the following is a nonmetal?
a)
hydrogen
b)
nickel
c)
barium
d)
silicon
69.
The number 6 in the square for C in the Periodic Table is carbon's
a)
atomic mass
b)
number of protons
c)
number of neutrons
d)
mass number
70.
Which of the following sections of the Periodic Table contains metals only?
a)
Period 6
b)
Group 2
c)
Period 2
d)
Group 18
71.
The noble gas in Period 3 is
a)
Ar
b)
Na
c)
Mg
d)
Cl
72.
The alkali metal in Period 2 is
a)
H
b)
Li
c)
Be
d)
F
73.
What is the atomic number for an element with 41 neutrons and a mass number of 80?
a)
39
b)
41
c)
80
d)
121
74.
What subatomic particles are found in the nucleus?
a)
protons and electrons
b)
electrons and neutrons
c)
protons and neutrons
d)
protons, electrons and neutrons
75.
Which subatomic particles are involved in chemical bonding?
a)
All the neutrons
b)
All the electrons
c)
Valence electrons only
d)
All the protons

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