Noble Gases
Basic information Noble gases.
Noble gases
Noble gases are in group 18 on the periodic table, and they are on the far right of the periodic table. There are six Noble gases.
Helium
Helium has the atomic number 2 has the symbol He. It heads the noble gases and it is colorless tasteless and odorless so you can't tell where it is.
Neon
Neon has the atomic number 10 with the symbol Ne. It is colorless unless combined with other things. It is group number 18 like the rest of the Noble gases.
Argon
With the Atomic number 18 and the Symbol Ar Argon is the third in the Noble gases. Argon is the third most common gas on the planet.
Krypton
Krypton is a chemical element with the atomic number 36 and symbol Kr. There is also little traces of Krypton in Mars's atmosphere.
Xenon
Xenon has the atomic number 54 and symbol Xe. It is a chemical element and is in the Earth's atmosphere in small amounts. It has a color and an odor so you can tell when your near it.