Atom Vocab Flashcards
1
Q
Atom
A
the smallest unit of element
2
Q
Electron
A
A subatomic particle that has negative charge
3
Q
Neutron
A
A subatomic particle that has no charge
4
Q
Proton
A
A subatomic particle with a positive charge
5
Q
Neucules
A
In physical science, an atom’s central region, which is made up of protons and neutrons
6
Q
Electron cloud
A
An area around the neucules that contains electrons
7
Q
atomic number
A
The sum of protons and neutrons found in the neucules
8
Q
Atomic number
A
The number of protons
