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Quiz on Atomic Structure

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

What are atoms made of?

a)

Nuclei and orbits

b)

Molecules and compounds

c)

Protons, neutrons, and electrons

d)

Ions and isotopes

2.

What charge do protons carry?

a)

Negative charge

b)

No charge

c)

Positive charge

d)

Neutral charge

3.

What is the charge of neutrons?

a)

Positive charge

b)

Negative charge

c)

No charge

d)

Variable charge

4.

Where are electrons located in an atom?

a)

In the protons

b)

In the electron cloud

c)

In orbits around the nucleus

d)

In the nucleus

5.

What is the nucleus of an atom composed of?

a)

Protons and neutrons

b)

Only protons

c)

Electrons and protons

d)

Neutrons and electrons

6.

How do electrons move around the nucleus?

a)

In a straight line

b)

In orbits at very high speeds

c)

In fixed positions

d)

In random paths

7.

What type of particles are electrons?

a)

Subatomic particles

b)

Neutral particles

c)

Negative charge particles

d)

Positive charge particles

8.

What is the primary function of protons in an atom?

a)

To provide mass

b)

To form bonds

c)

To determine the atomic number

d)

To balance the charge

9.

Which of the following particles has no charge?

a)

Ion

b)

Neutron

c)

Proton

d)

Electron

10.

What is the overall charge of an atom?

a)

Depends on the number of protons

b)

Always positive

c)

Always negative

d)

Neutral

11.

What is the smallest unit of matter?

a)

Atom

b)

Compound

c)

Molecule

d)

Element

12.

Which particles are found in the nucleus?

a)

Neutrons and ions

b)

Protons and electrons

c)

Electrons and neutrons

d)

Protons and neutrons

13.

What is the speed of electrons in their orbits?

a)

Very low speeds

b)

Constant speeds

c)

Moderate speeds

d)

Very high speeds

14.

What defines the identity of an element?

a)

Number of neutrons

b)

Number of electrons

c)

Number of protons

d)

Mass of the atom