Atoms Flashcards
1
Q
The smallest unit of an element
A
Atom
2
Q
A subtomatic particle that has a negative charge
A
Electron
3
Q
Center of an atom, which is made of protons and neutrons
A
Neculus
4
Q
A subtomatic particle that has a positive charge
A
Proton
5
Q
A subtomatic particle that has no charge
A
Neutron
6
Q
Find electrons, outside of the nucleus
A
Electron cloud
7
Q
The number of protons in the nucleus of an atom
A
Atomic number
8
Q
Total mass of protons and neutrons in an atom
A
Mass number
