Definitions Flashcards
1
Q
Nucleus
A
The centre of an Atom
2
Q
Proton
A
Positive charge found in the centre of the Atom
3
Q
Neutron
A
Has no charge . Found in the centre of the Atom
4
Q
Electron
A
Negative charge found in the centre of the Atom
5
Q
Isotopes
A
An element with the same number of protons but a different number of neutrons
6
Q
Atomic number
A
How many protons there are in an Atom
7
Q
Mass number
A
The mass of an Atom
8
Q
Element
A
A substance made up of one type of Atom
9
Q
Compound
A
The substance produced when two or more elements combine in a chemical reaction ( a compound is always made up of two or more different types of Atoms)
10
Q
A
