GCSE Physics Quiz - Atomic Structure

1. What is the charge of an electron?

+1
-1
0
+2

2. How many electrons can occupy the first energy level of an atom?

1
2
8
4

3. What is the mass number of an atom equal to?

Number of protons only
Number of neutrons only
Number of protons + neutrons
Number of protons + electrons

4. What is an ion?

An atom with equal protons and electrons
An atom that has lost or gained electrons
An atom with no neutrons
An atom with no electrons

5. What is the relative mass of a proton?

0
1
-1
2

6. What are isotopes?

Atoms with different numbers of electrons
Atoms with different numbers of protons
Atoms with the same number of protons but different numbers of neutrons
Atoms with no neutrons

7. Who proposed the nuclear model of the atom?

Thomson
Rutherford
Bohr
Chadwick

8. What is the charge of a neutron?

+1
-1
0
+2

9. What happens when an electron absorbs electromagnetic radiation?

It moves to a lower energy level
It moves to a higher energy level
It stays in the same energy level
It leaves the atom

10. What determines which element an atom is?

Number of protons
Number of neutrons
Number of electrons
Mass number