Chemistry, asked by rani19013901, 3 months ago

On basis of electronic configuration the group and period of 9B5 is

Answers

Answered by ItzManiac

7

Answer:

─━━━━━━⊱✿⊰━━━━━━─

It is in lanthanides and actinides series.As it show horizontal similarity it is kept out and in f-block. 7th period and starts from 3rd group.

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