Vocabulary Flashcards
1
Q
Atom
A
The smallest particle that is still a element.
2
Q
Electron
A
Charged particles
3
Q
Nucleus
A
Atoms small region in its center.
4
Q
Proton
A
Positively charged particles.
5
Q
Energy level
A
Specific amount of energy of an electron movement.
6
Q
Neutron
A
Has no electric charge.
7
Q
Atomic Number
A
Atoms element
8
Q
Isotope
A
Different numbers of neutrons.
9
Q
Mass Number
A
Identified by isotope.
