The Noble Gasses

The Kings of The Periodic Table

Helium - (He) 2 Protons 2 Nuetrons 2 Electrons. Atomic Number 4. Melting Point -272c Boiling Point -268c. Density 293L. Colorless, Odorless, Tasteless. Examples: Balloons, Dirigibles, Neon Signs

Krypton (Kr)

Krypton - (Kr) 36 Electrons 36 Protons 48 Neutrons ; Melting point-157C Boiling Point-153.4C ; Atomic Number-36 Physical Properties- Colorless,Odorless,&Hardness - Uses- Lighting,Light Bulb,&Flash Lamps - atomic radius - 88pm ionization energy - 14.000eV

N

Neon (Ne): Protons-10 Neutrons-10 Electrons-10. Melting Point -248.6 C Boiling Point -246.1 C. Physical Properties- Colorless, Odorless, Tasteless, Density- low at 0.89994 grams, Solubility: Soluble in water. Used for neon light, gas lasers, & tv tubes.

Xenon (Xe): Protons-54 Neutrons-77 Electrons-54. Melting Point -112C. Is a gas at room temperature. Melting Point -112C. Boiling Point -107C. Physical Properties- Colorless, Odorless, Dense. Xenon can produce better x-ray signals with reduced amounts of radiation, it can enhance contrast in CT imaging for determining blood flow, and it can also enhance imaging contrast of brain scanners.

ARGON
(AR)

•Melting point-189 °C
•Boiling point-185.7 °C
•Atomic number-18
•Colorless and Oderless•Used with Argon is a versatile industrial gas used in welding applications also it is in tubes and glow tubes

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