Atomic Sturcture Flashcards
1
Q
The smallest unit of an element that maintains the properties of that element
A
Atom
2
Q
The number of protons in a nucleus of an atom
A
Atomic number
3
Q
A subatomic particle that has a positive charge
A
Proton
4
Q
A subatomic particle that has no charge
A
Neutron
5
Q
A subatomic particle that has a negative charge
A
Electron
6
Q
A region around the nucleus of an atom where electrons are likely to be found
A
Electron cloud
7
Q
The sum of the numbers of protons and neutrons in the nucleus
A
Mass number
8
Q
Center of an atom holding electrons and protons
A
Nucleus
