Question

Properties if elements are in bow. W e will do the following
lenient in the periodic table 7 Give name and symbol of element

A non-metal with allotropes. which forms basis of organic chemistry

An element with variable valency stored and
coAn inert gas with atomic number 18

(d) Galvanisation of iron is done in this set to protect it from rusting
el An element which is a non metal and stored under her

OR​

Answer 1

Explanation:

non metal having allotropes is carbon it's allotropes are graphite,diamond, buckminsterfullerene. potassium it has atomic number 18 .