Argon
Mariela Herrera
Name: Argon
Symbol: Ar
Atomic Number: 18
Atomic Mass: 40
Cost: $0.5 for 100g
Protons: 18
Neutrons: 22
Electrons: 18
Argon is a gas.
Argon was discovered by Sir William Ramsay
Argon belongs to the Noble Gases family.
Melting Point in degree celsius: -189.3
Boiling Point in degree celsius: -185.8
Basic Facts of Argon: It's used in light bulbs to protect the flament and to provide un-reactive atmosphere. It's also used to semi-conductor industry to provide an inert atmosphere for silicon and germanium crystal growth. Argon is used in medical lasers.