Chemistry, asked by s201108447, 4 months ago

The number of electron shells (orbitals) an atom has is equal to the elements

1. Group number
2. Atomic number
3. Period number
4. Valence number

Answers

Answered by himanshiarora5775

0

Answ period number is the ans

Explanation:

hope it will help

Answered by someoneweir944

1

Answer:

3. period number

hope it is helpful and please mark me as brainliest

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