Question

Write the molecular formule of Calcuim Hydrogen in criss cross method.​

Answer 1

Explanation:

An alternative way to writing a correct formula for an ionic compound is to use the criss-crossmethod. The numerical value of each of the ion charges is crossed over to become the subscript of the other ion. Signs of the charges are dropped. Here we have to find the formula of calcium carbonate by using criss-cross method.

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Valency of calcium Ca2+=2

Valency of calcium Ca2+=2Valency of carbonate CO32-=2

Valency of calcium Ca2+=2Valency of carbonate CO32-=2Cross multiply the number of radicals.

Valency of calcium Ca2+=2Valency of carbonate CO32-=2Cross multiply the number of radicals.By applying criss-cross method, the formula will be CaCO3.

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Answer 2

Answer:

CaCO3

By applying criss-cross method, the formula will be CaCO3.

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