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Monoatomic Ions

Total questions: 22

Worksheet time: 12mins

Name
Class
Date
1.
The positive or negative charge of a monoatomic ion.
a)
oxidation number
b)
cation
c)
anion
d)
formula unit
2.
An ion formed from only one atom.
a)
monoatomic ion
b)
oxyanion
c)
polyatomic ion
d)
cation
3.
An ion that has a positive charge.
a)
cation
b)
anion
c)
oxyanion
d)
monoatomic ion
4.
An ion that has a negative charge.
a)
anion
b)
cation
c)
monoatomic ion
d)
oxyanion
5.

All the Group 1A ions have a __________ charge. (Li, Na, K, Rb, Cs)

a)

1+

b)

2+

c)

3+

d)

1-

6.

Group _______ metals tend to lose two electrons to form cations with a 2+ charge.

a)

1A , Alkali

b)

2A, Alkaline Earth

c)

6A, oxygen family

d)

7A, halogen

7.

Element: Fluorine, element #9

Ion Name: ? Formula ?

a)

fluoride: F-

b)

fluoride: F7-

c)

fluorate: F-

d)

fluorite: F-

8.

Element: Calcium, element #20

Ion Name: ? Formula ?

a)

Calcium: Ca2+

b)

Calcide: Ca2+

c)

Calcate: Ca2+

d)

Calcite: Ca2+

9.

Element: Oxygen, element #8

Ion Name: ? Formula ?

a)

Oxide: O2-

b)

Oxygen: O2-

c)

Oxate: O2-

d)

Oxite: O2-

10.

What is a rubidium ion's symbol? Rb is element #37.

a)

Rb-

b)

Rb+

c)

Rb-2

d)

Rb+2

11.

What is the ionic symbol for a phosphorus atom? P is element #15.

a)

P-3

b)

P+3

c)

P-2

d)

P+2

12.

What is the ionic symbol for a gallium atom? Ga is element #31.

a)

Ga+3

b)

Ga-3

c)

Ga+2

d)

Ga-5

13.

What is the ionic symbol for selenium? Se is element #34.

a)

Se-2

b)

Se+2

c)

Se-3

d)

Se+3

14.

What is the ionic symbol for krypton? Kr is element #36.

a)

Kr

b)

Kr+

c)

Kr-

d)

Kr-2

15.

What is the ionic symbol for a cesium atom? Cs is element #55.

a)

Cs+

b)

Cs-

c)

Cs+2

d)

Cs-2

16.

Group 17 (VII A) always has ions with a charge of

a)

+1

b)

+2

c)

-1

d)

-2

17.

The elements aluminum (element #13), antimony (III), and bismuth (III) all have ionic forms with a charge of

a)

+1

b)

-3

c)

+3

d)

-2

18.

What is symbol for the most stable form of Iodine? Iodine is element #53.

a)

I-1

b)

I+1

c)

I-7

d)

I+7

19.

How does a neutral bromine atom form a bromide ion? Br is element #35.

a)

It loses one electron.

b)

It gains one electron.

c)

It loses one proton.

d)

It gains one proton.

20.

How does a neutral barium atom form a barium ion? Ba is element #56.

a)

It loses two electrons.

b)

It gains two electron.

c)

It loses two proton.

d)

It gains two proton.

21.

A radium atom wants...

[Ra is element #88.]

a)

One more electron

b)

One less electron

c)

Two more electrons

d)

Two less electrons

22.

A silicon atom wants...

[Si is element #14.]

a)

3 more electrons

b)

3 less electrons

c)

4 more or less electrons

d)

2 more electrons