write molecular formula for calcium carbonate.
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CaCO3
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Question
write molecular formula for calcium carbonate.
Answer:
Calcium carbonate =
Explanation:
Here
Calcium formula is Ca and that has a valency of 3
Carbonate formula is Co and has a valency of 1
so
exchange the valency of the elements and write the formula by adjoining them
This is called criss Cross method
CALCIUM CARBONATE = CaCo3