Atoms Flashcards
1
Q
The smallest unit of an element
A
Atoms
2
Q
Subatomic particle,negative (-) charge
A
Electrons
3
Q
Center of an atom,contains protons and neutrons
A
Nucleus
4
Q
Subatomic particle, positive (+) charge
A
Protons
5
Q
Subatomic particles, no charge
A
Neutrons
6
Q
Area around the nucleus, contains electrons
A
Electron cloud
7
Q
The number of protons identifies the atom
A
Atomic numbers
8
Q
The sum of proton and neutrons in an atom
A
Mass number
