Year 9 topic 1 Flashcards
1
Q
,What is an atom
A
A unit of matter, the smallest unit of a chemical element
2
Q
Molecule
A
A group of atoms that are bonded together
3
Q
Compound
A
A compound has two or more seperate elements
4
Q
Element
A
A substance that can’t be broken down
5
Q
Electron
A
Carries electricity in solids
6
Q
Proton
A
It is found in the nucleus of an atom
7
Q
Neutron
A
An uncharged elementary particle