The Atom Flashcards
1
Q
The smallest unit of matter, smallest particles that keep the same characteristics
A
Atom
2
Q
Positively charged +1 subatomic particle found in the nucleus
A
Proton
3
Q
Neutral subatomic particle found in the nucleus, NO CHARGE!
A
Neutron
4
Q
Negatively charged -1 subatomic particle particle found in the electron cloud
A
Electron
5
Q
The center of the atom containing protons and neutrons; make up mostly of the atoms mass
A
Nucleus
6
Q
Number; of protons that identifies the atom
A
Atomic number
7
Q
The number of protons and neutrons
A
Mass number