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.
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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
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a)carbon dioxide,water
b)glucose and oxygen
sorry write ur c part full
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