Science, asked by anspltanamishikapi, 1 year ago

A certain particle X has 17 protons,17 electrons and 18 protons. What is the valency of X? What is the mass number of X? What is the atomic number of X?

Answers

Answered by roll

5

valency is 1
mass number is 35
atomic number is 17 and X is chlorine

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