1
The path that electrons orbit the nucleus.
2
This energy level must be filled for an atom to be stable.
3
A particle found outside the nucleus with a negative charge.
4
The overall charge of a nucleus.
5
The overall charge of an atom.
6
The central core of an atom that contains protons and neutrons.
7
A particle found inside the nucleus with no charge.
8
Why atoms want to fill their outer shell.
9
Atoms are the building blocks of...
10
A particle found inside the nucleus with a positive charge.
11
Composed of particles called protons, electrons and neutrons
12
The result of gaining or losing an electron.
