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ATOMIC 1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which two subatomic particles are in the nucleus?

a)

Protons and Neutrons

b)

Protons and Electrons

c)

Neutrons and Electrons

2.

What type of charge do protons have?

a)

Negative

b)

Neutral

c)

Positive

3.

What type of charge do neutrons have?

a)

Positive

b)

Neutral

c)

Negative

4.

What type of charge do electrons have?

a)

Positive

b)

Neutral

c)

Negative

5.

Which is the smallest particle of an element that can enter into a chemical reaction?

a)

Atom

b)

Ion

c)

Molecule

6.

Where are electrons located?

a)

Inside the nucleus

b)

Outside the nucleus

7.

Protons and neutrons are located where?

a)

Inside the nucleus

b)

Outside the nucleus

8.

What does the mass number equal for elements?

a)

Protons + Neutrons

b)

Neutrons + Electrons

c)

Protons+ Electrons

9.

Elements that have more or less electrons than its atomic number are best known as?

a)

Atoms

b)

Ions

c)

Molecules

10.

What does the Atomic Number of an element equal?

a)

The number of protons

b)

The number of electrons

c)

The number of neutrons

d)

The number of neurons

11.

Who's atomic theory stated that atoms are indivisible and are combined and rearranged in a chemical reaction?

a)

Thomson’s Plum Pudding Model 1987

b)

Rutherford’s Gold Foil Experiment

c)

Dalton's Model in The Early 1800s

12.

Who's atomic theory stated that atoms were made from a positively charged substance with negatively charged electrons scattered?

a)

Thomson’s Plum Pudding Model 1987

b)

Dalton's Model in The Early 1800s

c)

Rutherford’s Gold Foil Experiment

13.

Who's atomic theory stated that atoms are mostly open space and that positively charged particles were contained in the nucleus and negatively charged particles were scattered outside the nucleus around the atom’s edge?

a)

Thomson’s Plum Pudding Model 1987

b)

Rutherford’s Gold Foil Experiment

c)

Dalton's Model in The Early 1800s

14.

According to which atomic model do electrons move in definite orbits around the nucleus

a)

The Bohr Model

b)

The Wave Model

15.

According to which atomic model do electrons not move about an atom in a definite path, which also makes it impossible to determine the exact location of an electron?

a)

The Bohr Model

b)

The Wave Model