Chemistry, asked by Hridimay, 9 months ago

write chemical formulae of 20 elements using valency exchange and radicals.
eg - calcium sulphate
Ca SO4
2 2
CaSO4

Answers

Answered by bhawna753

1

Answer:calcium sulphate...

calcium =+2

sulphur= +2

oxygen = -2

plz mark as brainliest

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