2.1.2 - Compounds, Formulas and Equations

Question 1

What is the charge of a chloride ion?

Answer 1

Cl⁻

Question 2

What is the charge of a potassium ion?

Answer 2

K⁺

Question 3

What is the charge of a Magnesium ion?

Answer 3

Mg²⁺

Question 4

What is the charge of a Lithium ion?

Answer 4

Li⁺

Question 5

What is the charge of a Sulfide ion?

Answer 5

S²⁻

Question 6

What is the charge of a Nitride ion?

Answer 6

N³⁻

Question 7

What is the charge of an Oxide ion?

Answer 7

O²⁻

Question 8

What is the charge of a Nitrate ion?

Answer 8

NO₃⁻

Question 9

What is the charge of a Carbonate ion?

Answer 9

CO₃²⁻

Question 10

What is the charge of a Sulfate ion?

Answer 10

SO₄²⁻

Question 11

What is the charge of a Hydroxide ion?

Answer 11

OH⁻

Question 12

What is the charge of an Ammonium ion?

Answer 12

NH₄⁺

Question 13

What is the charge of a Dichromate ion?

Answer 13

Cr₂O₇²⁻

Question 14

What is the charge of a Phosphate ion?

Answer 14

PO₄³⁻

Question 15

What is the charge of a hydrogencarbonate (bicarbonate) ion?

Answer 15

HCO₃⁻

Question 16

What is the charge of a manganate (VII) ion?

Answer 16

MnO₄⁻

Question 17

How do you write Ionic Equations?

Answer 17

(1) Write a symbol equation including state symbols
(2) Balance the symbol equation
(3) Separate aqueous compounds into their ions and cancel the spectator ions
(4) Write the ionic equations

Question 18

What is the charge of a zinc ion?

Answer 18

Zn²⁺