Question given below are based on electronic configuration of the element. The three X,Y and Z with the electronic configurations shown below all formhydrides:
Element `" "` Electronic configuration
`X" "1s^(2),2s^(2),2p^(3)`
`Y" "1s^(2),2s^(2),2p^(6),3s^(1)`
`Z" "1s^(2),2s^(2),2p^(6),3s^(2),3p^6,3d^(10),4s^(2),4p^(5)`
Which of the following exists as gas?

Options

A. `X_(2)`
B. `Y_(2)`
C. `Z_(2)`
D. All of the above

Answer

A