Atomic Structure Flashcards
1
Q
The smallest unit of an element
A
Atom
2
Q
A subatomic particle that has a negative charge
A
Electron
3
Q
Center of an atom that contains protons and neutrons
A
Nucleus
4
Q
A subatomic particle that has a positive charge
A
Proton
5
Q
A subatomic particle with no charge
A
Nuetron
6
Q
A region around the nucleus, contains electrons
A
Electron cloud
7
Q
The number of protons and neutrons
A
Mass cloud
8
Q
Number of protons, identifies the atom
A
Atomic number
