Because noble gases are in the last column
Zirconium is in period 5. And the noble gas in this period is xenon
Because it contains one more valence electron than the third-lowest atomic numbered noble gas, argon. The noble gases are at the ends of periods.
For helium it is 1s2. For the other noble gases it will be ns2 np6 where n is the period in which the noble gas in present.
neon
At the end of each period is a noble element. It is non-reactive.
Because noble gases are in the last column
Zirconium is in period 5. And the noble gas in this period is xenon
Because it contains one more valence electron than the third-lowest atomic numbered noble gas, argon. The noble gases are at the ends of periods.
For helium it is 1s2. For the other noble gases it will be ns2 np6 where n is the period in which the noble gas in present.
neon
The element Radon (atomic symbol Rn) is the noble gas found in Period 6 of the periodic table.
Zirconium
Xenon
neon
The noble gas in the fifth period is Xenon (Xe). It weighs 131.29g/mol.
The number of electron shells depends on the noble gas. The number of shells will be equal to the period in which the noble gas is present.