Which gas is most reactive in noble gases?

Xe
Xe.

Why are noble gases more reactive?

Noble gases are the least reactive of all elements. That’s because they have eight valence electrons, which fill their outer energy level. This is the most stable arrangement of electrons, so noble gases rarely react with other elements and form compounds.

Why is radon different from other noble gases?

The noble gases up to xenon have multiple stable isotopes. Radon has no stable isotopes; its longest-lived isotope, 222Rn, has a half-life of 3.8 days and decays to form helium and polonium, which ultimately decays to lead. Melting and boiling points increase going down the group.

Is radon The most dense noble gas?

Usually, the heaviest noble gas is considered to be radon, but some sources cite xenon or element 118 as the answer. Radon does exist in nature and is an extremely dense gas. Radon has a density of around 4.4 grams per cubic centimeter. Most sources consider this element to be the heaviest noble gas.

Is radon a noble gas?

radon (Rn), chemical element, a heavy radioactive gas of Group 18 (noble gases) of the periodic table, generated by the radioactive decay of radium.

Why are the noble gases not reactive?

Because they’re reluctant to share electrons from their filled outer electron shells, noble gases are generally considered unreactive.

Why Is radon a noble gas?

Radon (atomic number 86) is a noble gas like helium, neon and argon that is relatively unreactive because of its electron configuration, where the octet rule is fulfilled (the atom has eight valence electrons).

How is radon a noble gas?

Radon is a chemical element with the symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas….

Radon
Atomic number (Z)	86
Group	group 18 (noble gases)
Period	period 6
Block	p-block

How is radon a noble gas and radioactive?

Radon (Rn) is a radioactive, colorless, odorless and tasteless gas that occurs naturally as the decay product of the elements radium, uranium and thorium. It is a noble (or inert) gas, meaning it is inactive chemically and combines with other substances only under extreme conditions.

Why does radon occur?

Radon comes from the breakdown of naturally-occurring radioactive elements (such as uranium and thorium) in soils and rocks. The gas moves up through the soil to the surface, where it can enter homes, schools and the workplace through cracks and other holes in the foundation.

Which is the most reactive gas?

Among the halogens, fluorine, chlorine, bromine, and iodine, fluorine is the most reactive one. It forms compounds with all other elements except the noble gases helium (He), neon (Ne) and argon (Ar), whereas stable compounds with krypton (Kr) and xenon (Xe) are formed.