An element has 2 electrons in its N shell ? What is its atomic number and is it a metal or nonmetal ?
Dear student ,
K , L , M , N
2 , 8 , 8 , 2
then atomic no. = 20
and it is a metal (as it has 2 electrons in outer most shell)
Regards
K , L , M , N
2 , 8 , 8 , 2
then atomic no. = 20
and it is a metal (as it has 2 electrons in outer most shell)
Regards