307
Question
Arrange the group 1 elements in the increasing order of their number of shells.
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Solution
The elements of group 1 are as follows: Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Caesium (Cs), Francium (Fr).
On moving from top to bottom in a group, the number of shells increases successively. Therefore, the increasing order of number of shells for group 1 elements is Li < Na < K < Rb < Cs < Fr.
The elements of group 1 are as follows: Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Caesium (Cs), Francium (Fr).
On moving from top to bottom in a group, the number of shells increases successively. Therefore, the increasing order of number of shells for group 1 elements is Li < Na < K < Rb < Cs < Fr.
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