The element is krypton (Kr)
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∙ 10y agoXe
When the element moves from group 18 to group 1, it moves to a new period. Each period has a one more electron shell than the previous. The group 1 element has one more electron shell than the group 18 element; hence, it's atomic radius is greater.
Neon is in period 2 of the periodic table, and in group 18, the noble gases
Noble gases are found in group 18 of the periodic table.
Xenon.
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Period Number: 2 Group Number: 18
Group 18, period 2
When the element moves from group 18 to group 1, it moves to a new period. Each period has a one more electron shell than the previous. The group 1 element has one more electron shell than the group 18 element; hence, it's atomic radius is greater.
Period, 3 (row)Group, 18 (column)
Noble gases are found in group 18 of the periodic table.
Neon is in period 2 of the periodic table, and in group 18, the noble gases
Many isotopes have 18 neutrons.
Xenon.
group 18, period 3
argon
When a period of elements are considered, the element in group 18 has the highest shielding effect.