Chemistry
Define:
(a) Radical
(b) Valency
(c) Molecular formula
Chemical Formula
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Answer
(a) Radical is an atom of an element or a group of atoms of the same or different elements that behave as a single unit and has positive or negative charge.
(b) Valency is the combining capacity of an atom of an element or of a radical with the atoms of other elements or radicals to form molecules.
(c) A molecular formula of a compound is the symbolic representation of its one molecule which shows the number of atoms of each element present in it.
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