Chemical Formula And Name Of Compound

Question 1

What mean valency

Answer 1

Number of electrons lost or gained or shared by atom with other atoms to form molecule

Question 2

What mean radicals

Answer 2

Group of atoms of different elements combined together each group acts as one atom during chemical reaction

Question 3

What is ionic compound

Answer 3

Consist of positive metal ion or ammonium ion and a negative non metal ion or acid radical

Question 4

What is covalent compound

Answer 4

Consist of two or more non metal or acid radicals

Question 5

Examples of mono valent radicals

Answer 5

Hydroxide
Nitrate
Nitrite
Hydrogen carbonate
Bicarbonate
Ammonium

Question 6

Example of di-valent radicals

Answer 6

Carbonate
Sulfate
Sulfite

Question 7

Examples of tri valent radicals

Answer 7

Phosphate