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Anonymous
atomic radius increases down a group as the number of shells increases
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Down a group, the atomic radius increases as the number of shells or energy levels increases.
the atomic radius increases down the periodic table as the number of shell (or energy level) increases.
atomic radius decreases from bottom to top of the periodic table.
Along a period, nuclear charge increases. hence, atomic radius decreases.
Yes. The atomic radius increases down the group. This is because number of shells increases down the group.
Atomic Mass
It tends to increaseThe atomic radius increases down the group
The atomic radius gets smaller the farther right it appears on the Periodic Table, until the addition of a new orbital increases the size again.
Down a period the atomic radius increases as the number of shells (or energy levels) increases. Across a period the atomic radius decreases as the effective nuclear charge increases.