Subject Answers

i)Magnesium and Beryllium are group II elements, and form ions with a charge of +2. The electronic configuration of Mg+2 ion is:1s^2 2s^2 2p^6ii)It is easier fo...

To form a Hydrogen bond, a hydrogen bond donor and a hydrogen bond acceptor are required. The hydrogen bond donors are lone pairs of electrons and hydrogen bond...

The tendency of an atom to attract a shared pair of electrons towards itself is known as electronegativity. When we move from top to bottom in a group, ele...

Formation of water is as follows:H2 (g)+ ½ O2(g)⟶H2O(g) Bond energy or enthalpy is the amount of heat required to break a bond. Same amount of energy is re...