Question

b) Which element in the 2nd period has closest inert gas configuration?
c) What is the qutermost for all these elements?​

Answer 1

Answer:

B) The elements in period 2 often have the most extreme properties in their respective groups; for example, fluorine is the most reactive halogen, neon is the most inert noble gas, and lithium is the least reactive alkali metal.

C) The elements having two valence shells are placed in the second period. Thus, the outermost shell of these elements is L-shell.

Answer 2

b) Chlorine Cl
c) idk question is not clear