electrons

Balancing of Chemical Equations by Half reaction Method is carried out systematically

Electronegativity is defined as the tendency of an atom to attract as the shared pair of Electrons towards itself an a Molecule.

If two atoms share two pairs of electrons, the covalent between them is called a Double bond.

Metallic Solids are orderly collection of positive ions surrounded by and held together by free electrons, each metal atoms denoting one or more electrons. The Metallic bonds spread over the entire crystal. The bonding is not directional. The metals are good conductor of heat and electricity. Metals like sodium crystallise in simple cubic lattice.

The Formal Charge is the difference between the number of vallens electrons in an isolated atom and the number of electrons assigned to that atoms in a Lewis Structure.

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