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Worksheets

Atoms to ions

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

What ion does Ca form?

a)

1+

b)

2+

c)

3+

d)

1-

e)

2-

2.

What ion does oxygen form?

a)

1+

b)

2+

c)

3+

d)

1-

e)

2-

3.

What ion does F form?

a)

1+

b)

2+

c)

3+

d)

1-

e)

2-

4.

What ion does boron form?

a)

1+

b)

2+

c)

3+

d)

1-

e)

2-

5.

What ion does Li form?

a)

1+

b)

2+

c)

3+

d)

1-

e)

2-

6.

What ion does nitrogen form?

a)

1+

b)

2+

c)

3-

d)

1-

e)

3+

7.

What ion does sulfur form?

a)

1+

b)

2+

c)

2-

d)

3-

e)

3+

8.

What ion does Cl form?

a)

1+

b)

2+

c)

2-

d)

3-

e)

1-

9.

What ion does sodium form?

a)

1+

b)

2+

c)

3-

d)

1-

e)

3+

10.

What ion does aluminum form?

a)

1+

b)

2+

c)

3-

d)

1-

e)

3+

11.

Which of the following best describes isotopes?

a)

Isotopes have different numbers of neutrons.

b)

Isotopes have different numbers of protons.

c)

Isotopes are atoms of the same element with the same mass.

d)

Isotopes have different numbers of electrons.

12.

Which subatomic particle is used to identify the atom, as it never changes?

a)

Protons

b)

Neutrons

c)

Electrons

13.

How many electrons does the following ion have?

a)

3

b)

7

c)

10

d)

14

14.

How many electrons does the following ion have?

a)

10

b)

12

c)

14

d)

22

15.

An ion with a positive charge has __________.

a)

the same number of protons and electrons.

b)

lost a proton.

c)

lost an electron.

d)

gained an electron.

16.

Which of the following describes a positive ion?

a)

10 protons, 12 electrons

b)

12 protons, 10 electrons

c)

12 protons, 12 electrons

17.

Atoms of the same element with a different number of neutrons are called _________.

a)

elements

b)

isotopes

c)

ions

d)

neutral