Naming Covalent molecules

What is the ending used for the second element in covalent compounds?

• ATE

• IDE

• OUS

• IC

Why do we use prefixes when naming covalent compounds?

• To indicate the charge of the elements

• To indicate the state of matter

• To show the number of atoms of each element

• To make the name sound better

Which prefix is used for four atoms of an element?

• Di

• Tetra

• Penta

• Mono

What is the correct name for the compound P2O5?

• Phosphorus pentoxide

• Diphosphorus oxide

• Phosphorus oxide

• Diphosphorus pentoxide

How would you name the compound N7Cl3?

• Heptanitrogen chloride

• Nitrogen trichloride

• Heptanitrogen trichloride

• Nitrogen chloride