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Worksheets

Atom Review

Total questions: 18

Worksheet time: 11mins

Name
Class
Date
1.

Which model of the atom does the picture represent

a)

Dalton's atomic model

b)

Rutherford's nuclear model

c)

Thomson's "plum pudding" model

d)

The electron cloud model

2.

Which model of the atom does the picture represent

a)

Dalton's atomic model

b)

Rutherford's nuclear model

c)

Thomson's "plum pudding" model

d)

The electron cloud model

3.

Which model of the atom does the picture represent

a)

Dalton's atomic model

b)

Rutherford's nuclear model

c)

Thomson's "plum pudding" model

d)

Bohr's Planetary model

4.

Which model of the atom does the picture represent

a)

Dalton's atomic model

b)

Rutherford's nuclear model

c)

Thomson's "plum pudding" model

d)

Bohr's Atomic model

5.

Rutherford experimented with gold foil and alpha particles to prove that there was a _____________ in an atom.

a)

nucleus

b)

protons

c)

electrons

d)

electron cloud

6.
Which scientist saw the atom as a solid sphere?
a)
Dalton
b)
Thomson
c)
Rutherford
d)
Bohr
7.

Which of the following shows the correct order of Atomic Theory Timeline

a)

Schrodinger, Rutherford, Bohr, Dalton, Democritus, Thomson

b)

Bohr, Democritus, Schrodinger, Thomson, Rutherford, Dalton

c)

Dalton, Thomson, Schrodinger, Rutherford, Bohr, Democritus

d)

Democritus, Dalton, Thomson, Rutherford, Bohr, Schrodinger

8.

Where is most of the atoms mass found?

a)

in the nucleus

b)

in the electron cloud

9.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
10.
What is the Atomic Mass?
a)
6.941
b)
7
c)
3
d)
6
11.
How many Protons are in one atom of Lithium?
a)
3
b)
6
c)
7
d)
6.941
12.

How many electrons are in one atom of Lithium?

a)

3

b)

6

c)

7

d)

6.941

13.

How many neutrons are in one atom of Lithium?

a)

3

b)

6

c)

4

d)

6.941

14.

Most of the volume of the atom or the amount of space the atom takes up is composed of the

a)

the nucleus

b)

the electron cloud

c)

protons

d)

neutrons

15.

What scientist is known for the most recent model of the atom?

a)

Dalton

b)

Thomson

c)

Schrodinger

d)

Bohr

16.

Which subatomic particle does the RED(+) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

17.

Which subatomic particle does the YELLOW(-) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus

18.

Which subatomic particle does the GREEN( ) circle represent?

a)

proton

b)

neutron

c)

electron

d)

nucleus