Atomic Structure Flashcards
1
Q
Proton
A
The positive part of the element
Located in the nucleus
If the amount changes you get a new element
2
Q
Neutron
A
No charge
Get a different isotope if the amount changes
Located in the nucleus
3
Q
Electron
A
Negative
Changes charge of element, gets ion
Orbits around the nucleus
4
Q
Atomic number
A
Number of protons, signature of an element
5
Q
Mass number
A
of protons and # of neutrons
6
Q
Atomic mass
A
The weighted average of all isotope masses for an element
7
Q
Octet rule
A
An atom is stable/content when it’s outer most ring is full
