C1.2 Atomic Structure Flashcards
1
Q
What is an atom
A
An atom is the smallest particle of an element that still has its chemical properties. Different elements are made from different atoms
2
Q
What is a molecule made from
A
From two or more atoms joined together. They are joined by attractive forces called chemical bonds
3
Q
Whilst the inside of an atom is mostly empty space, it does contain three even smaller subatomic particles. Which are:
A
Protons and neutrons, joined together in the nucleus at the centre.
Electrons surrounding the nucleus in shells
4
Q
Relative mass of each subatomic particles
A
Proton- 1
Neutron- 1
Electron- 0.0005
5
Q
Relative charge of each subatomic particle
A
Proton- +1
Neutron- 0
Electron- -1
