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Worksheets

MX 3 Grade 9 Reviewer

Total questions: 50

Worksheet time: 3hrs 53mins

Name
Class
Date
1.

A bond between a metal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

2.

A bond between a nonmetal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

3.

What type of bond involves the sharing of electrons between atoms?

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

4.

Identify the following compound as ionic or covalent: MgO

a)

ionic

b)

covalent

5.

Identify the following compound as ionic or covalent: Na2SO4

a)

ionic

b)

covalent

6.

Identify the following compound as ionic or covalent: CF4

a)

ionic

b)

covalent

7.

Identify the following compound as ionic or covalent: SO2

a)

ionic

b)

covalent

8.

Identify the following compound as ionic or covalent: CO

a)

ionic

b)

covalent

9.

Identify the following compound as ionic or covalent: Ca(OH)2

a)

ionic

b)

covalent

10.

When naming covalent compounds...

a)

You need roman numerals and no prefixes

b)

You do not need roman numerals or prefixes

c)

You need roman numerals and prefixes

d)

You do not need roman numerals but you do need prefixes

11.

This type of bonding can be described as "I give, I get"

a)

ionic

b)

covalent

c)

metallic

12.

This type of bonding can be described as a "cooperation"

a)

ionic

b)

covalent

c)

metallic

13.
When an atom loses an electron, it becomes a:
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
14.

This Lewis Dot Structure for water is correct

a)

True

b)

False

15.

Potassium Chloride is...

a)

Ionic

b)

Covalent

16.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
17.
Which is most likely to form a negative ion...
a)

an element from Group 7

b)
a metal
c)
an element from Group 1
d)
an element with atoms that have eight valence electrons
18.
A(n) _____________ is an atom or group of atoms that has an electric charge. 
a)
ion
b)
electron
19.
When an atom loses a valence electron, it becomes a(n) _________ion.
a)
positive 
b)
negative
20.

Calcium Oxide, CaO

a)

Covalent Bond

b)

Ionic Bond

21.

Calcium Chloride, CaCl2

a)

Covalent Bond

b)

Ionic Bond

22.

Why do ionic bonds form?

a)

so the number of protons equals the number of electrons

b)

to fill the outermost energy level to make the atom stable

c)

so an atom can become unstable

23.

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

a)

Al+3

b)

Al+13

c)

Al+10

d)

Al-10

24.

if NONMETALS are more likely to GAIN electrons, they will form ...

a)

anions

b)

neutral atoms

c)

cations

25.

if NONMETALS are more likely to GAIN electrons, they will form ...

a)

anions

b)

neutral atoms

c)

cations

26.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
27.

An ionic bond is the attraction between: (Select ALL that apply)

a)

oppositely charged ions

b)

similarly charged ions

c)

metals and nonmetals

d)

neutral atoms

e)

cations and anions

28.

Which of the following is the correct formula for these two ions: Al+3 & S-2

a)

AlS3

b)

Al2S3

c)

Al3S2

d)

Al3S

29.

If I had a cation with a charge of 2+ how would you describe the formation of that ion?

a)

gained 2 electrons

b)

lost 2 electrons

c)

gained 4 electrons

d)

lost 4 electrons

30.

If I had an anion with a charge of 3- how would you describe the formation of that ion?

a)

gained 2 electrons

b)

lost 2 electrons

c)

gained 3 electrons

d)

lost 3 electrons

31.

Nitrogen, N, will form which of the following ions?

a)

N

b)

N-3

c)

N-5

d)

N+5

32.

Which of the following is the correct formula for Sodium Nitride ( [ Na ] + & [ N ] 3- )

a)

NaN3

b)

Na3N

c)

Na2N3

d)

Na3N2

33.

When assigning ionic charge it is always written as a...

a)

superscript

b)

subscript

c)

coefficient

d)

script

34.

When assigning the number of individual atoms in a chemical formula it is written as a...

a)

superscript

b)

subscript

c)

coefficient

d)

script

35.

The Octet Rule states that in chemical compounds, atoms tend to have

a)

the electron configuration of a noble gas

b)

eight electrons in their valence energy level

c)

more electrons than protons

d)

more protons than electrons

36.

Which of the following is a covalent compound?

a)

BeHCO₃

b)

MgS

c)

AgI

d)

PCl₅

37.

What type of elements are in a covalent bond?

a)

nonmetal bonded to a nonmetal

b)

metal bonded to a nonmetal

c)

metal bonded to a metal

d)

none of the above

38.

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

a)

A

b)

B

c)

C

d)

D

39.

What is the correct Lewis structure for hydrogen chloride, HCl?

a)

A

b)

B

c)

C

d)

D

40.

What is the correct Lewis structure for diatomic oxygen, O₂?

a)

A

b)

B

c)

C

d)

D

e)

E

41.

Which of the following is the correct Lewis structure for N₂O, nitrous oxide (laughing gas)?

a)

A

b)

B

c)

C

d)

D

e)

E

42.
The desire for an element to have 8 atoms around it is called 
a)
Octet Rule
b)
Resonance
c)
Ionization energy
d)
Electronegativity
43.
How many Valence Electrons are on Oxygen
a)
2
b)
7
c)
6
d)
1
44.
A polar bond is one that
a)
Has an electronegativity difference greater than 0.7
b)
Has an electronegativity difference greater than 0.5
c)
Has an electronegativity difference less that 0.5
d)
Has an electronegativity difference less than 0.7
45.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
46.

Which of these would be covalently bonded?

a)

Sodium, Na and potassium, K

b)

Magnesium, Mg and oxygen, O

c)

Fluorine, F and chlorine, Cl

d)

Helium, He and argon, Ar

47.

Which of these is not a covalent molecule?

a)

K2O

b)

CO2

c)

HCl

d)

CH4

48.

Electronegativity is

a)

the ability of an atom to attract electrons

b)

the ability of an atom to lose electrons

c)

the energy required to remove an electron from a specific atom

d)

the ability of an atom to make a bond

49.

The energy it takes to remove one electron from an atom

a)

Atomic Radii

b)

Ionization Energy

c)

Electronegativity

d)

Electron Afinity

e)

Oxidation Number

50.

The amount of energy released when an electron is added to a neutral atom to form a negative ion

a)

Atomic Radii

b)

Ionization Energy

c)

Electronegativity

d)

Electron Afinity

e)

Oxidation Number

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