Inorganic ions

Question 1

What is a cation and anion

Answer 1

a positively charged ion- Cation

a negatively charged ion- Anion

Question 2

what are the properties and roles of HYDROGEN IONS

Answer 2

-Proton H+
There is an inverse relationship between Hydrogen ions and pH.
-More h+, the more acidic.
Maintenance of pH is crucial for enzyme controlled reactions/ metabolic reactions

Question 3

What are the properties and roles of CALCIUM IONS

Answer 3

Ca2+
Used in the clotting of blood
Regulates transmission of nerve impulses, stimulates muscle contraction

Question 4

What is the role of POTASSIUM IONS

Answer 4

K+
Essential for nerve transmission
Controls water levels in body fluid

Question 5

What is the role of SODIUM IONS

Answer 5

Na +
helps maintain turgidity in vacuoles
regulates osmotic pressure.
Contributes to the transmission of nerve impulses.

Question 6

What is the role of ammonium

Answer 6

NH4+
Component of amino acids
Essential component in nucleic acids

Question 7

Name 5 cations

Answer 7

Calcium CA2+
Ammonium NH4+
Potassium K+
Sodium Na+
Hydrogen H+

Question 8

What is the role of nitrate ions

Answer 8

NO3-
-present in soil taken up by plants
-component of amino acids

Question 9

Hydrogen carbonate is an anion, what is its role

Answer 9

HCO3-
involved in transport of oxygen and carbon dioxide

Question 10

Chloride is an anion, Cl-. What is its role.

Answer 10

Cl-
involved in the chloride shift used for the transport of co2