Question

Q1. (i) Name the body which approves the nomenclature of elements and compounds.
(ii) The symbol of sodium is written as ‘Na’ and not as ‘S’. Give reason.

(iii) Name one element which form diatomic and one which form tetra atomic molecules.

Q2. State Newton’s universal law of gravitation. Derive relationship between ‘g’ and ‘G’. ​

Answer 1

Answer:

IUPAC's Inter-divisional Committee on Nomenclature and Symbols (IUPAC nomenclature) is the recognized world authority in developing standards for the naming of the chemical elements and compounds.

Abbreviation: IUPAC

President: Christopher M.A. Brett

Explanation:

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