The valence electronic configuration of five neutral atoms are given below
`A = 3s^2, B = 3s^1, C = 2s^2 2p^1, D = 2s^2 2p^3, E = 2s^2 2p^6` Write the empirical formula of compound of (i) A and D (ii) B and D (iii) D and D (iv) E and E

Outer electronic configuration of 4 elements are as given below follows: (1) 3d^(0)4s^(1) 92) 3s^(2)3p^(5)

Which of the following electronic configurations has the lowest ionization enthalpy ? (a) 1s^2 , 2s^2 , 2p^5 , ,(b) 1s^2 , 2s^2 , 2p^6 (c) 1s^2 , 2s^2 , 2p^6 , 3s^2 .

What does the electronic configuration 1s^2 , 2s^2 , 2p^5 , 3s^1 indicate?

The element with electronic configuration 1s^(2)2s^(2)2p^(4) is present in group_______.

Elements A,B,C,D and E gave 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?

Electronic configuration of the atom of an element is 1s^(2)2s^(2)2p^(6)3s^(2)3p^(1) . Locate its position in the periodic table. It is a metal or non-metal? What is its valency?

If the electronic configuration of an element is 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(2)4s^(2) , the four electrons involved in chemical bond formation will be:

The electronic configuration of an element is 1s^2 2s^2 2p^6 3s^2 3p^4 . The atomic number of the element present just below the above element In the periodic table.

Write down the electronic configuration of ""_(14)Si and ""^(25)Mn. Which of the following orbitals are not possible 1p, 2d, 3s, 3f

Why does praseodymium possess electronic configuration 4f^(3)6s^(2) instead of the expected one, 4f^(2)5d^(1)6s^(2) ?