Because both have completely filled orbitals
These are the noble or inert gases, and they are all stable except for radon. Radon has no stable isotopes.
Hydrogen, helium, nitrogen, oxygen, fluorine, and neon.
Oxygen
what is the density of helium at room temperature?
helium is a gas at room temperature
No, helium is a gas at room temperature.
There are several elements that are gaseous at room temperature. They are hydrogen, nitrogen, oxygen, fluorine, chlorine, helium, neon, argon, krypton, xenon, radon and ununoctium.
Neon is a gas at room temperatureGas
helium is a gas
Neon is a gas at room temperature.
At room temperature, all noble gases are gases. These include helium, neon, argon, krypton, xenon, and radon.
Hydrogen Nitrogen Oxygen Fluorine Chlorine Helium Neon Argon Krypton Xenon Radon