2,8,1;2,8,2;2,8,8,2;2,1
a) identify group number of each element
b) which two elements belong to same group
c) compare atomic radii of A,B and D
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2,8,1;2,8,2;2,8,8,2;2,1
a) identify group number of each element
b) which two elements belong to same group
c) compare atomic radii of A,B and D
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Answer:
a)GROUP NUMBER OF:-
2,8,1 is an element of Group 1
2,8,2 is an element of Group 2
2,8,8,2 is an element of Group 2
2,1 is an element of Group 1
b)2,8,1 and 2,1 belong to same group
2,8,2 and2,8,8,2 belong to same group