Question

Iodine is a black, crystalline, shiny solid and belongs to Group VII. Sodium is a soft, shiny solid and belongs to Group I.

Answer 1

Answer:

a.

Iodine: non-metal

Sodium: metal

b.

Idoine is a part of the halogens, which is a non-metal group.

Sodium is in group one and is a part of the alkali metals.

Answer 2

Answer -A

As a pure element, iodine is a lustrous purple-black nonmetal that is solid under standard conditions. It sublimes (changes from a solid to a gaseous state while bypassing a liquid form) easily and gives off a purple vapor. Although it is technically a non-metal, it exhibits some metallic qualities.

Answer - B

Broadly speaking, there are four types of classification. They are: (i) Geographical classification, (ii) Chronological classification, (iii) Qualitative classification, and (iv) Quantitative classification