GENERAL KNOWLEDGE

Detailed explanation-1: -Whenever a non-metallic combines with another non metal, sharing of electron takes place between their atoms and a covalent bond is formed. A covalent bond can also be formed between two atoms of the same non-metal.

Detailed explanation-2: -Covalent bonds are formed by non-metals. Non-metals share the electrons mutually to each other and form a covalent bond between them. For example, in case of methane, the bonds are formed between the carbon and hydrogen atoms by equal sharing of electrons. The formula for methane is CH4.

Detailed explanation-3: -In general, covalent bonds form between nonmetals, ionic bonds form between metals and nonmetals, and metallic bonds form between metals.

Detailed explanation-4: -Covalent Bonding The non-metals all have fairly high ionization energies, meaning that it is relatively difficult to remove their valence electrons. The non-metals also have relatively high electron affinities, so they tend to attract electrons to themselves. So, they share valence electrons with other non-metals.

Detailed explanation-5: -So, 2 non metallic element, with similar electronegativity will form covalent bond.