Chemistry, asked by Namnami, 16 hours ago

an atomic B is found to have an electronic configuration 2,8,8,1. predict its atomic number, group in the modern periodic table, period in the modern periodic table, valency

Answers

Answered by advikagambhir

1

Answer:

Hope this helps

Explanation:

Electronic configuration= 2 8 8 1

Atomic number is 19

Group is 1A

Period is 4

Valency is 1+

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