Polyatomic Ions

Question 1

NH₄⁺

Answer 1

ammonium

Ammonium is a positively charged polyatomic ion.

Question 2

Cyanide

Answer 2

CN⁻

Cyanide is a negatively charged ion known for its toxicity.

Question 3

OH⁻

Answer 3

hydroxide

Hydroxide is commonly found in bases.

Question 4

Perchlorate

Answer 4

ClO₄⁻

Perchlorate is used in various applications, including rocket propellants.

Question 5

ClO₃⁻

Answer 5

chlorate

Chlorate is an oxidizing agent and is used in some disinfectants.

Question 6

Chlorite

Answer 6

ClO₂⁻

Chlorite is often used in water treatment processes.

Question 7

Nitrate

Answer 7

NO₃⁻

Nitrate is a common component in fertilizers.

Question 8

SO₄²⁻

Answer 8

sulfate

Sulfate is widely found in nature and is a component of many industrial processes.

Question 9

Carbonate

Answer 9

CO₃²⁻

Carbonate is important in geology and biology, often associated with carbon dioxide.

Question 10

HCO₃⁻

Answer 10

hydrogen carbonate (bicarbonate)

Bicarbonate plays a crucial role in maintaining pH balance in biological systems.

Question 11

PO₄³⁻

Answer 11

phosphate

Phosphate is essential for all living organisms, being a key component of DNA and ATP.

Question 12

C₂H₃O₂⁻
/CH3CO2-

Answer 12

acetate

Acetate is commonly found in vinegar and is an important metabolic intermediate.

Question 13

Hydronium

Answer 13

H₃O⁺

Question 14

Nitrite

Answer 14

NO₂⁻

Question 15

Sulfite

Answer 15

SO₃²⁻