Question

a. Define Valency. b. Write the symbol and valency of the following : (i) Oxygen (ii) potassium a. Magnesium burns in Oxygen to form Magnesium Oxide. a) Name the reactants b) Name the Products c) Write the word equation for the above reaction.

Answer 1

Answer:

a) in chemistry, the valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.

symbol. valency

b) Oxygen-. O. 2

potassium-. K. 1

next

a)carbon dioxide,water

b)glucose and oxygen

sorry write ur c part full