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Elements/Ions A

Total questions: 10

Worksheet time: 30mins

Name
Class
Date
1.

What is the symbol for the Phosphate ion?

a)

PO42-

b)

PO43-

c)

PO33-

d)

PO32-

2.

What charge does an anion have?

a)

Positive

b)

Negative

3.

What is the name of this element? Mn

a)

Magnesium

b)

Manganese

c)

Mercury

d)

Hexene

4.

What is the correct charge for the Hydroxide Ion?

a)

-1

b)

+1

c)

-2

d)

+2

e)

-3

5.

What is the symbol for Nitrate?

a)

NO32-

b)

NO21-

c)

NO31-

d)

NO22-

6.

What is the ion symbol for Ammonium?

a)

NH4

b)

NH31+

c)

NH32+

d)

NH41+

7.
Which of the following has a -3 charge?
a)
Boron
b)
Fluorine
c)
Nitrogen
d)
Neon
8.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
9.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
10.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2