Question

Look at the chemical equation above. The subscript 4 in the reactants indicates that

A.
there are four products that will be formed.
B.
there are four atoms of phosphorus present in the reactants.
C.
there are four elements present in the reactants.
D.
there are four moles of phosphorus present in the reactants.

Answer 1

B. there are four atoms of phosphorus present in the reactants.

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Answer 2

B

Step-by-step explanation:

The subscript present in all chemical reaction, after the elements, indicate de number of atoms of a given element in the molecule.