Ionic Formulas Quiz

What is the oxidation state of Group 1 elements according to Mendeleev's periodic table?

• Positive 2

• Negative 2

• Negative 1

• Positive 1

How do you determine the chemical formula for sodium chloride?

• By adding the charges of sodium and chlorine

• By crossing the charges of sodium and chlorine

• By subtracting the charges of sodium and chlorine

• By multiplying the charges of sodium and chlorine

What does the Roman numeral in Iron (III) indicate?

• The number of iron atoms

• The oxidation state of iron

• The charge of the compound

• The number of bromine atoms

Which of the following is the correct formula for zinc oxide?

• Zn2O

• Zn2O2

• ZnO2

• ZnO

What is the charge on a hydroxide ion?

• Positive 2

• Positive 1

• Negative 1

• Negative 2

How is calcium hydroxide represented in chemical formula?

• CaO2H

• Ca2OH

• Ca(OH)2

• CaOH

What is the charge on a dichromate ion?

• Positive 1

• Negative 2

• Negative 1

• Positive 2

Which of the following is the correct formula for potassium permanganate?

• KMnO

• KMnO2

• KMnO3

• KMnO4

What suffix is used for a polyatomic ion with one more oxygen than the 'ite' form?

• per

• ite

• ate

• ide

How is sodium hypochlorite represented in chemical formula?

• NaClO3

• NaClO

• NaClO2

• NaClO4