Chemistry, asked by ramyasri860684, 16 days ago

the number of electrons in nth shell

Answers

Answered by arunjkhare

0

Answer:

The general formula is that the nth shell can in principle hold up to 2(n2) electrons. For an explanation of why electrons exist in these shells see electron configuration. Each shell consists of one or more subshells, and each subshell consists of one or more atomic orbitals.

Answered by umairworldmn

0

Answer:

No of Moles = Given Mass / Molecular Mass

No of Moles = 4

Explanation:

Given Mass = 72g

Molecular Mass of H2O = (1x2)+(1x16)

Molecular Mass = 18g

No of Moles = 72/18

No of Moles = 4

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