Question

Properties of the elements are given below.
Where would you locate the following
elements in the periodic table?
(a) A soft metal stored under kerosene.
(b) An element with variable (more than one)
valency stored under water.
(c) An element which is tetravalent and forms
the basis of organic chemistry.
(d) An element which is an inert gas with
atomic number 2.
(e) An element whose thin oxide layer is used
to make other elements corrosion resistant by
the process of "anodising".​

Answer 1

Explanation:

a sodium

b potassium

c carbon

d helium

e oyygen

Answer 2

Answer:

sodium

phosphorus

carbon

helium

Aluminium metal

Explanation: