Two elements A and B have the following electronic configurations. The formula of the compound formed between them can be
`A=1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(1), B=1s^(2) 2s^(2) 2p^(4)`

name the element with electronic configuration 1s^(2) 2s^(2) 2p^(6)3s^(2)3p^(1)

Name the element with the following electronic configurations . (a) 1s^(2)2s^(2) 2p^(6) 3s^(2) 3p^(1) (b) 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(1) (c ) 1s^(2) 2s^(1) 2p^(6) 3s^(2) 3p^(6) 3d^( 5) 4s^(1)

An element A has the configuration 1s^(2)2s^(2) 2p^(6)3s^(1) and the element B has the configuration 1s^(2)2s^(2)2p^(4) Give the formula of the compound formed. A has configuration 1s^(2)2s^(2)2p^(6)3s^(1) while the configuration of B is 1s^(2)2s^(2)2p^(5). What type of bond is likely to be formed between them ?

The elements A and B have the following electronic configurations : A : 1s^(2)2s^(2)2p^(6)3s^(2)3p^(4) B : 1s^(2)2s^(2)2p^(6)3s^(2)3p^(2) A and B are likely to form a compound of formula :

Elements a, b, c, d and e have the following electronic configuration (a) 1s^(2)2s^(2)2p^(1) (b) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(1) (c) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(3) (d) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(5) (e) 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2) Which among these will belong to the same group in the periodic table ? a & d, b&c, a & b, a & e

Name the element with the following electronic configurations . (a) 1s^(2)2s^(2) 2p^(6) 3s^(2) 3p^(1) (b) 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 4s^(1)

Which of the following electronic configurations has the lowest ionization enthalpy ? (a) 1s^2 , 2s^2 , 2p^6 , ,(b) 1s^2 , 2s^2 , 2p^6 (c) 1s^2 , 2s^2 , 2p^6 , 3s^2 .