5.1.1.4 relative electrical charges of subatomic particles

Question 1

Why do atoms have no overall electrical charge?

Answer 1

Each atom has the same amount of electrons and protons. Electrons have a minus charge and protons have a positive charge. These cancel each other out.

Question 2

All atoms of a particular element have the same number of ________.

Answer 2

Protons

Question 3

Atoms of different elements have different numbers of _______.

Answer 3

Protons