An element has 2 electrons in its N shell ? What is its atomic number and is it a metal or nonmetal ?

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Solution

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

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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

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