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Oxidation is the loss of electrons from a molecule, atom, or ion. This corresponds to an increase in the oxidation number of the molecule, atom, or ion.

Atoms of the same element possessing the same numbers of protons and electrons, but different numbers of neutrons in the nucleus.

As we go from Li to F, atomic radius of the atoms will DECREASE. This is due to increased nuclear charge (number of protons within each atom). Although the number of electrons also increases, each addi...

Ionisation energy is the energy required to remove the most loosely bound (furthest out) electron from an atom, in the gaseous state.
As you move down a group in the periodic table, the number of...

A greenhouse gas is one which absorbs infrared radiation from the Earth and re-radiates it, increasing the surface temperature of the Earth. Normally these molecules are non-symmetrical such as triflur...