Atoms Vocab Flashcards
1
Q
Smallest unit of an element
A
Atom
2
Q
A subatomic particle
A
Electron
3
Q
An atoms center made up of protons and neutrons
A
Nucleus
4
Q
A subatomic particle that has a positive charge
A
Proton
5
Q
A subatomic particle that has no charge
A
Neutron
6
Q
Electrons around the nucleus of an atom
A
Electron Cloud
7
Q
The number of protons in an atom
A
Atomic number
8
Q
The total mass of protons and neutrons in an atom
A
Mass number