[问答题]
Each element contains4.ws) h5miqo0v (+mnu1pxa s j a diffe.f qt3pen+in f+djgy97- hrj 6rent arrangement of electrons, and these electron configh -r 9it3gdq7j p+6y.ef +jnfnurations can also be represented using orbital diagrams. Determine the identity of each element described below.
1.$1s^2$ $2s^2$ $2p^6$ $3s^2$ $3p^6$ $4s^1
2.$[Ne] $3s^2$ $3p^6$
3.In Period 33 with valence electrons of $3s^2$
4. 5.An ion with +1 charge, with valence electrons of:
