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Ch. 4 Review

Total questions: 40

Worksheet time: 3hrs 16mins

Name
Class
Date
1.

What is the color of the light that sodium compounds give off?

a)

Green

b)

Red

c)

Violet

d)

Yellow-orange

2.

Which is the electron configuration of an aluminum atom (13Al) in the ground state?

a)

1s2 2s2 2p6 3s2 4s1

b)

1s2 2s2 2p6 3s2 3p3

c)

1s2 2s2 2p6 3s2 3p2

d)

1s2 2s2 2p6 3s2 3p1

3.

An atom becomes _________ when it gains electrons.

a)

Positive

b)

Negative

c)

Neutral

d)

Invinsible

4.

An atom becomes _______ when it loses electrons.

a)

Positive

b)

Negative

c)

Neutral

d)

Invinsible

5.

Which subatomic particle is directly connected to the process of the flame test?

a)

proton

b)

neutron

c)

electron

d)

quart

6.

When an atom _______________ _____________, its electrons can use this energy to move to a higher energy level.

a)

releases energy

b)

absorbs energy

c)

emits radiation

d)

gets rid

7.

Flame tests are most useful for

a)

blood testing

b)

watching fireworks

c)

identification of elements

d)

none of the above

8.

Which of the following would pairs would give the same flame test results?

a)

NaCl & MgCl2

b)

LiCl & LiBr

c)

CaCO3 and MgCO3

d)

H2O and HCl

9.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

10.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

11.
How many valence electrons are in an atom of Ar?
a)
2
b)
8
c)
4
d)
1
12.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
13.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
14.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
15.

How many electron shells does Silicon have?

a)

14

b)

2

c)

3

d)

4

16.

The second shell from the center of an atom can hold how many electrons?

a)

2

b)

6

c)

8

d)

18

17.

How many electrons can the s sublevel hold?

a)

14

b)

10

c)

2

d)

6

18.

How many electrons can the p sublevel hold?

a)

8

b)

10

c)

2

d)

6

19.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
20.
Which of these is not a noble gas?
a)
Helium
b)
Argon
c)
Nitrogen
d)
Krypton
21.

The reason that Noble Gases do not react is because

a)

Their outer electron shell is filled

b)

Their inner electron shell is filled

c)

They are able to bond to fill their outer shell

d)

None of the above, Noble Gases are highly reactive

22.

When atoms gain electrons __________.

a)

the atoms become electrically neutral

b)

the atoms become positively charged

c)

their atomic mass significantly increases

d)

the atoms become negatively charged

23.
What would the correct chemical formula be for Magnesium + Chlorine?
a)
MgCl
b)
MgCl2
c)
Mg2Cl
d)
2MgCl
24.

An ionic bond will happen between

a)

metal and nonmetal

b)

nonmetal and nonmetal

c)

metal and metal

25.

Metals make _____ ions.

a)

positive

b)

negative

c)

neutral

26.

Nonmetals will make _____ions.

a)

positive

b)

negative

c)

neutral

27.

Which of the following is the correct ionic formula for calcium sulfide?

a)

Ca2S2

b)

CaS

c)

S2Ca2

d)

SCa

28.

Name the compound from it's formula: BaI2

a)

Iodine barium

b)

Iodine bariumide

c)

Barium iodine

d)

Barium iodide

29.

Lead Chloride is an ionic compound, made up from Pb2+ ions and Cl- ions. Which is the correct formula for this compound?

a)

PbCl3

b)

PbCl

c)

PbCl4

d)

PbCl2

30.

Magnesium Hydroxide is an ionic compound made up from Mg2+ and OH- ions. Which is its correct formula?

a)

MgOH

b)

MgOH2

c)

Mg(OH)2

d)

MgO

31.
Ca2+ and N3- create...
a)
Ca2N3
b)
Ca3N2
c)
CaN3
d)
Ca2N
32.

Na+ and Cl- create...

a)

Na2Cl

b)

NaCl2

c)

Na2Cl2

d)

NaCl

33.

Potassium and Sulfur create...

a)

KS

b)

KS2

c)

K2S

d)

K2S2

34.
Mg2+ and Cl- create...
a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
35.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
36.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
37.
ammonium phosphate
a)
(NH4)3PO4
b)
NPO4
c)
NH4PO4
d)
NH4(PO4)3
38.

What is the formula for copper(I) and sulfate?

a)

CuSO3

b)

CuSO4

c)

Cu2SO3

d)

Cu2SO4

39.
Write the formula for copper(I) phosphide
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
40.
When dissolved in water, the solution is a good conductor of electricity.
a)
ionic compounds
b)
covalent compounds

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