Chemistry, asked by TinkaComar, 1 year ago

Q1. What is the valency of (a) bromine (b) barium Q2. the molecular formula of sulphur is S. what do you understand by this ?

Answers

Answered by ayuktamathur

2

br 1-
ba2+
a chemical formula that gives the total number of atoms of each element in each molecule of a substance

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