Chemistry
(a) State the nature of compounds formed when group 17 elements combine with (i) metals (ii) non-metals.
(b) Why group 17 elements are highly reactive?
Periodic Table
114 Likes
Answer
(a) (i) Group 17 elements (halogens) can react directly with metals to form metal halides (or salts).
(ii) Group 17 elements (halogens) react with non-metals to form halides like chlorides, bromides and iodides.
(b) Group 17 elements are highly reactive as they need only one electron to complete its octet and attain a stable state.
Answered By
80 Likes
Related Questions
(a) How many electrons do inert gases have in their valence shells?
(b) Name an element of group 18 which can form compounds.
Give reasons.
(a) Alkali metals are kept in inert solvent.
(b) Alkali metals and halogens do not occur free in nature.
(c) Alkali and alkaline earth metal compounds usually form electrovalent compounds.
(d) Inert gases do not form compounds.
(a) What is the name given to group 17 elements? Why are they called so?
(b) Comment on the (i) reactivity (ii) colour and (iii) physical state of group 17 elements.
State the uses of Modern Periodic table.