Chemistry, asked by Ťhįppū, 1 year ago

why the second and third period contaib 8 elements only

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Answered by snehakathar

the elements are ordered into periods baced on which electron shells are being filled in the second period second shell is filled and so all there are 8 elements in 2 nd period because all those elements have electrons in the second shell and no electron in the third shell

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