Explain with example , iodine has less non-metallic character than chlorine .

Explain, why lithium chloride has more covalent character than potassium chloride.

(i) What are meant by empirical formula and molecular formula ? Explain with an example. (ii) A compound composed of carbon, hydrogen and chlorine contains carbon=10.04% and chlorine =89.12%. The vapour density of the compound is 59.75. Determine its molecular formula.

The alkaline earth metals have less electropositive or metallic character as compared to those of alkali metals and their electropositive or metallic character increases down the group. Explain with reasons.

Explain why aniline is less basic than methylamine ?

Arrange the following elements in the increasing order of non-metallic character: B, C, Si, N, F.

Considering the element B, C, N, F and Si, the correct order of their non-metallic character to

Give an example of extraction of a non-metal by oxidation.

Explain why the negative electron gain enthalpy is less for fluorine than for chlorine.

The elements of group - 15 posses less metallic character those of group - 14, which increases down the group . Explain.