(Fill ups) The valency of the two elements of a binary compound are _____ to obtain its formula.
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Answer:
Criss crossed
Explanation:
Criss cross method where the valency of elements are switched
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To write the formula of a binary molecular compound, first use the prefixes in the name to tell you the subscript of each element in the formula. Then, write the correct symbols for the two elements with the appropriate subscripts.
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