Choose from the following ""_(6)C , ""_(8)O, ""_(10)N e, ""_(11)Na, ""_(14)Si a] Elements that should be in the same period b] elements that should be in the same group State reason for your selection in each case.

Choose from the following ""_(6)C , ""_(8)O, ""_(10)N e, ""_(11)Na, "

1.	Choose from the following ""_(6)C , ""_(8)O, ""_(10)N e, ""_(11)Na, ""_(14)Si a] Elements that should be in the same period b] elements that should be in the same group State reason for your selection in each case.
Answer» Solution :`""_(6) C,_(8) O,_(10) NE` are in same period, Le `2^(nd)` period as they have two SHELLS. nNa and `14_Si` are in same period i.e., `3^(rd)` period as they have three shells. `""_(6) C,_(14) Si` are in same GROUP because they have same number of VALENCE electrons i.e, four.