Name:  Helium

Atomic Symbol and Mass Number: He [2]

Electron Configurations of the Elements: 1s

Atomic Radii: 140 pm

Electron Affinity: 0

Oxidation reactions: 0

Electronegativity values: N/A

Elemental Group: Noble Gas

Uses and properties:

• Light, colorless, odorless, inert, monatomic gas

• Has the lowest melting point

• Boiling point of close to absolute zero

• Does not solidify

• Cooling Magnetic Resonance Imaging (MRI) scanner magnets

• Inflating balloons and blimps

• Pressurizing liquid fuel rockets

• Used as artificial air for diving and heavy pressure works in combination with oxygen

• Gas shield in arc welding

• Growing silicon and germanium crystals

• Production of titanium and zirconium as a high temperature gas

Lewis diagram: