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Ionic Formulas Basic Review

Total questions: 25

Worksheet time: 43mins

Name
Class
Date
1.

Sulphur is

a)

a metal

b)

a non-metal

c)

neither metal nor non-metal

2.

Carbon is

a)

a metal

b)

a non-metal

c)

neither metal nor non-metal

3.

Why do all bonds form?

a)

To fill up the outer shell and become more stable.

b)

To look cool.

c)

To become less stable.

d)

So they don't have to be alone.

4.

When an atom loses an electron, it becomes a _________.

a)

noble gas

b)

anion

c)

cation

5.

Predict the bond that form between Be and F

a)

Covalent

b)

Ionic

6.

Sodium has ________ electron to donate.

a)

1

b)

2

c)

3

d)

4

7.

In CF4, Flourine has an oxidation number of

a)

-4

b)

+4

c)

-1

d)

+1

8.
Ions from the halogen group form what oxidation state?
a)
+1
b)
-1
c)
-7
d)
+7
9.

A(n) ______________ is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

a)

bond

b)

ion

c)

isotope

d)

molecule

10.
What charge does an electron have?
a)
Negative
b)
Positive
c)
Neutral
d)
Contrated
11.
An ionic bond forms when 
a)
Valence electrons are shared
b)
a sea of mobile electrons surround the cations
c)
valence electrons are transferred between atoms
d)
none of the above
12.
The formula of this atom when it becomes an ion would be
a)
N-2
b)
N+3
c)
N-3
d)
N+2
13.
A negatively-charged ion.
a)
atom
b)
cation
c)
anion
d)
electron
14.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
15.
K +  and  N-3
a)
KN
b)
KN3
c)
K3N3
d)
K3N
16.
Mg2+ and Cl- create...
a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
17.
Ca2+ and N3- create...
a)
Ca2N3
b)
Ca3N2
c)
CaN3
d)
Ca2N
18.

Na+ and Cl- create...

a)

Na2Cl

b)

NaCl2

c)

Na2Cl2

d)

NaCl

19.

Potassium and Sulfur create...

a)

KS

b)

KS2

c)

K2S

d)

K2S2

20.
Ca +2  and  OH -
a)
Ca2OH
b)
CaOH2
c)
Ca(OH)2
d)
correct answer is not given
21.
Which of the following is nitrate?
a)
NO-
b)
NO2-
c)
NO3-
d)
NO4-
22.
An example of a polyatomic ion is:
a)
O2-
b)
Na+
c)
CO32-
d)
Ag+
23.

Which of the following is ammonium?

a)

NH4+

b)

NO3-

c)

NO2-

d)

MnO4-

24.

Which of the following is carbonate?

a)

Cr2O4-2

b)

CH3COO-

c)

CO3-2

d)

CN-

25.

Which of the following is hydroxide?

a)

Cr2O4-2

b)

H+

c)

O3-2

d)

OH-

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