Chemistry, asked by lilysilwal4, 5 hours ago

Whaf does 2n2 denote ? Explain it with the help of two exampmes.

Answers

Answered by pradiptadas2007

2

Answer:

This rule of arrangement of electrons according to the shell is known 2n2 rule where n means number of shell. For example: There is one proton in the nucleus of hydrogen atom, which moves in K shell path. It has no neutron. Helium atom contains 2 protons and 2 neutrons.

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