Chemistry, asked by sreesreeji0, 17 days ago

atomic number of magnesium is 12.
Which shell has the highest energy ?

b) How many protons does this atom have?

Answers

Answered by nileshhalge9

0

Answer:

second shell has highest energy

protons are half of atomic no.

therefore number of proton= 12/2

no.of proton = 6

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