Please answer the 4th question.
Dear student,
1)The number of electrons in the period from left to write increases and the number of total shells remains same.
2) The number of valence electrons in the outermost shell of the atoms belonging to the same group remians same only the number of shells increases form top to bottom.
Regards
1)The number of electrons in the period from left to write increases and the number of total shells remains same.
2) The number of valence electrons in the outermost shell of the atoms belonging to the same group remians same only the number of shells increases form top to bottom.
Regards