The M.O. electronic configuration of B2 molecule is
B2: [KK (σ2s)2 (σ2s)2 (
2px)1(
2py)1]
Since each 
2px and 
2py MO contains unpaired electron, therefore B2 molecule is paramagnetic.
Why two helium atoms do not combine to form He2?
What are 'Lewis structures'?
Name the conditions for the formation of an ionic bond between two atoms.
What is crystal lattice?
What is electrovalency?
What bond is present in MgCl2 molecules?
Two elements A and B have the electronic configuration as:
A = 1s22s22p63s2 and B = 1s22s22p5
Write the empirical formula of the substance containing A and B.
What type of bonding would you expect between:
(i) a metal and a non-metal
(ii) a non-metal and another non-metal?
Mock Test Series
