Q80 of 400 Page 171

you can buy solid air-freshners in shops. Do you think these substance are ionic or covalent? why ?

The air-freshener which is solid show covalent bond as they are volatile in nature.

More from this chapter

All 400 →
78 The atomic number of an element X is 12.

(a) What must an atom of X do to attain the nearest inert gas electron configuration?


(b) Which inert gas is nearest to X?

 79 The atomic number of an element Y is 16.

(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?


(b) Which inert gas is nearest to Y?

 81 Give the formulae of the chlorides of the elements X and Y having atomic numbers of 3 and 6 respectively.

Will the properties of two chlorides be similar or different? Explain your answer.

 1 A zinc ore gave CO2 on treatment with a dilute acid. Identify the ore and write its chemical formula.