WAEC - Chemistry (1994 - No. 22)
Which of the following electronic structures belongs to a noble gas?
1s22s2
1s 22s22p4
1s22s22p63s23p6
1s22s22p2
1s22s22p 63s23p3
Explicação
\(1s^22s^22p^63s^23p^6\)
Which is Argon = 2,8,8
\(1s^22s^22p^63s^23p^6\)
Which is Argon = 2,8,8