Click the answer you think is correct.

It may be helpful to work out the correct answer with a pencil and paper before first before clicking one of the choices provided.

For another question, select one of the options from the top of the menu on the left.

If you need help, select one of the options from the bottom of the menu.

This is not a binary compound.

Please use the information shown above to select the correct answer.

Congratulations! You have selected the correct answer.

For another question, select one of the options from the top of the menu on the left.

Your choice indicates a polyatomic ion that is not found in this compound.

Please use the information shown above to select the correct answer.

Parentheses are not used when a polyatomic ion appears only once.

Please use the information shown above to select the correct answer.

You have the incorrect charge for the metal ion.

Please use the information shown above to select the correct answer.