Question

Classify each of the following on the basis of their atomicity. (i) Cl₂ (ii) SO₂ (iii) N₂O₃ (iv) C₃H₈ (v) S₈ (vi) H₂O

You start with a container that holds exactly 4 grams of nitrogen gas (N₂). According to your lab manual, the reaction to form ammonia requires nitrogen and hydrogen to combine in a mass ratio of 14 : 3. Given this information, calculate the mass of hydrogen gas (H₂) you need to react completely with your 4 grams of nitrogen gas.

Give the names of the elements present in the following compounds. (i) Table salt (ii) Slaked lime (iii) Vinegar (iv) Baking powder

How many atoms are present in a (i) CO₂ molecule (ii) NH₄⁺ ion