Chemistry, asked by usmanrealspot77, 11 months ago

please answer this question please please please ​

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Answered by manuniyas
1

Answer:

Explanation:

(B) Nitrogen and berllium

They both belong to 2 nd period.

Answered by ashu2166
0

Answer:

B) Nitrogen and Beryllium

Explanation:

Actually, they both belongs to second period in the periodic table, Beryllium having 4th atomic number and Nitrogen having 7 atomic number!

^_^

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