AICE Chemistry Unit 1 Part 1

Negative

Positive

Neutral

No charge

Electron

Proton

Neutron

Positron

Atoms with the same number of protons but different numbers of neutrons

Atoms with different numbers of protons and electrons

Atoms with the same number of neutrons but different numbers of protons

Atoms with the same number of electrons but different numbers of protons

2

4

6

10

$$1s^2 2s^2 2p^3$$

$$1s^2 2s^2 2p^6$$

$$1s^2 2s^1 2p^4$$

$$1s^2 2s^2 2p^2$$

2

6

10

14

Electron

Neutron

Proton

Positron

Positive

Negative

Neutral

Double positive

1

2

3

4

An atom with a different number of neutrons

An atom with a different number of protons

An atom with a different number of electrons

An atom with a different number of nuclei