Atoms 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
An atom’s central region, which is made up of protons and neutrons
A
Nucleus
4
Q
A subatomic particle that has a positive charge and is located in the nucleus of an atom
A
Proton
5
Q
A subatomic particle that is located in the nucleus of an atom and has no charge
A
Neutron
6
Q
A region around the nucleus of an atom where electrons are likely to be found
A
Electron cloud
7
Q
Atomic number
A
The number of protons in the nucleus of an Atom
8
Q
Total mass of protons and neutrons in an atom
A
Mass number
