Question

the electronic configuration of the atom is 2,8,1,which of the following is chemically similar to this​

Answer 1

Explanation:

since,the valance electron is 1,so it belongs to 1st A group

so,the element is similar to 1A group

please mark as a brainliest

Answer 2

Answer:

sodium is the answer it has 2 electrons in first shell,8 electrons in second shell and 1 electron in third shell