Free Printable Practice: Ions

1.

An atom becomes _________ when it gains electrons.

a)

Positive

b)

Negative

c)

Neutral

d)

Invinsible

2.

Which particles change the charge in atoms when ions are formed?

a)

Protons

b)

Electrons

c)

Neutrons

d)

Kittens

3.

How can you find the overall charge of an ion?

a)

Protons + neutrons

b)

Protons - Electrons

c)

Neutorns + electrons

4.

An element has 6 protons and 7 electrons what is the ion?

a)

$C^{-1}$

b)

$N^{+1}$

c)

$C^{+13}$

d)

$Al^{+0}$

5.

An element has 9 protons and 10 electons what ion is it?

a)

$F^{+19}$

b)

$Xe^{-1}$

c)

$K^{+0}$

d)

$F^{-1}$

6.

An element has a mass of 15, 7 neutrons and 10 electrons; what ion is it?

a)

$N^{+5}$

b)

$O^{-3}$

c)

$P^{-3}$

d)

$O^{-2}$

7.

An element has the mass of 12, 5 neutrons and 10 eletrons What ion is it?

a)

$B^{+2}$

b)

$N^{-3}$

c)

$N^{+5}$

d)

$Mg^{+2}$

8.

What is the charge of a carbon atom that contains 6 protons and 7 electrons?

(a)

9.

Which correctly described the ion below?

Mg²⁺

a)

Gained 2 electrons

b)

Lost 2 electrons

c)

Gained 2 protons

d)

Lost 2 protons

10.

Which correctly describes the ion seen below?

P^3-

a)

Gained 3 electrons

b)

Lost 3 electrons

c)

Gained 3 protons

d)

Lost 3 protons

Practice: Ions

Total questions: 10

Worksheet time: 8mins

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