Atomic Structure & Periodicity
4 terms
Atomic Structure & Periodicity
Neutron
An electrically neutral subatomic particle found in the nucleus, with a mass slightly greater than that of a proton.
Atomic Structure & PeriodicityNoble Gases
The group 18 elements, whose completely filled valence shells make them exceptionally unreactive.
Atomic Structure & PeriodicityNode
A region within an orbital where the probability of finding an electron falls to zero.
Atomic Structure & PeriodicityNucleus
The dense, positively charged core of an atom, containing virtually all of its mass in protons and neutrons.