Science Flashcards
1
Q
Atom
A
The smallest unit of an element
2
Q
Electron
A
A subatomic particle that has a negative charge
3
Q
Nucleus
A
In physical science an atoms Central region
4
Q
Proton
A
A substations partial determent of an element
5
Q
Neutron
A
A sublimatic partial that has no charge
6
Q
Electron cloud
A
A region around the nucleus of an atom
7
Q
Mass number
A
The sum of the number of protons in the number of an atom
8
Q
Atomic number
A
The number of protons in the nucleus of an atom
