Unit 5 Part 1 (and poly)

Front

What is the formula for iron (II) chromate?

Back

FeCrO4

Front

Which of the following is hydroxide? A) Cr2O4^-2 B) O3^-2 C) OH^-

Back

OH^-

Front

If two compounds have the same percent by mass of carbon, can you be sure they are the same?

Back

Cannot be determined.

Front

What is the name of the compound K2CO3?

Back

Potassium carbonate

Front

What is the name of the compound NH4NO3?

Back

Ammonium nitrate

Front

Define a polyatomic ion.

Back

A polyatomic ion is a charged species composed of two or more atoms covalently bonded, that can act as a single unit in chemical reactions.

Front

What is the charge of the ammonium ion?

Back

+1

Front

What is the formula for sulfate?

Back

SO4^2-

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed by the transfer of electrons between atoms, while covalent compounds are formed by the sharing of electrons.

Front

What is the formula for nitrate?

Back

NO3^-