Write the electronic configurations of the following ions: (a) H– (

1.	Write the electronic configurations of the following ions: (a) H– (b) Na+ (c) O2– (d) F– (ii) What are the atomic numbers of elements whose outermost electrons are represented by (a) 3s1 (b) 2p3 and (c) 3p5 ? Which atoms are indicated by the following configurations? (a) [He] 2s1 (b) [Ne] 3s23p3 (c) [Ar] 4s23d1
Answer» Write the electronic configurations of the following ions: (a) $H^{-}$ (b) $N a^{+}$ (c) $O^{2 -}$ (d) $F^{-}$ (ii) What are the atomic numbers of elements whose outermost electrons are represented by (a) 3 $s^{1}$ (b) 2 $p^{3}$ and (c) 3 $p^{5}$ ? Which atoms are indicated by the following configurations? (a) [He] 2 $s^{1}$ (b) [Ne] 3 $s^{2} 3 p^{3}$ (c) [Ar] 4 $s^{2} 3 d^{1}$

Write the electronic configurations of the following ions: (a) H– (b) Na+ (c) O2– (d) F– (ii) What are the atomic numbers of elements whose outermost electrons are represented by (a) 3s1 (b) 2p3 and (c) 3p5 ? Which atoms are indicated by the following configurations? (a) [He] 2s1 (b) [Ne] 3s23p3 (c) [Ar] 4s23d1

Answer»

Write the electronic configurations of the following ions:
(a) $H^{-}$
(b) $N a^{+}$
(c) $O^{2 -}$
(d) $F^{-}$

(ii) What are the atomic numbers of elements whose outermost electrons are represented by
(a) 3 $s^{1}$
(b) 2 $p^{3}$ and
(c) 3 $p^{5}$ ?

Which atoms are indicated by the following configurations?
(a) [He] 2 $s^{1}$
(b) [Ne] 3 $s^{2} 3 p^{3}$
(c) [Ar] 4 $s^{2} 3 d^{1}$