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Writing the Chemical Formula of a Covalent Compound
Phosphorus trichloride is used in the production of chemicals that keep plants from growing in a specific area. This
compound is made of one phosphorus atom represented by the chemical symbol P and three chlorine atoms
represented by the chemical symbol Cl.
What is the chemical formula of this compound?
PCI
PC13
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1P3C1
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znk

Answer:

PCl₃  

Explanation:

If a molecule contains one P atom and three Cl atoms, its formula must be PCl₃.

A is wrong, because the formula PCl means one atom of P and one of Cl.

C and D are wrong, because the formula P₃Cl indicates a molecule consisting of three P atoms and one Cl atom.

algernon

Answer:

PCl sub-3

Explanation:

just checked!!!