Compounds, Formulae and Equations

Question 1

What is the charge on a hydroxide ion?

Answer 1

1-

Question 2

What is the charge on a sulfate ion?

Answer 2

2-

Question 3

What is the charge on a nitrate ion?

Answer 3

1-

Question 4

What is the charge on an ammonium ion?

Answer 4

1+

Question 5

What is the charge and molecular formula of a dichromate ion?

Answer 5

2-

Cr2O7

Question 6

What is the charge and molecular formula on a hydrogen carbonate ion?

Answer 6

1-

HCO3

Question 7

What is the charge and molecular formula on a phosphate ion?

Answer 7

3-

PO4

Question 8

What is the charge and molecular formula on a permanganate ion?

Answer 8

1-

MnO4

Question 9

What is disassociation?

Answer 9

When ionic compounds separate into their composite ions when dissolved in water

Question 10

How do you write an ionic equation?

Answer 10

1. Write and balance symbol equation + state symbols

2. Sep aq compounds into comp ions and cancel spectator ions