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Properties of some elements are given below. Identify in each case the element in the periodic table to which it belongs.

(a) A soft metal stored under kerosene.

(b) An element with variable valency stored under water.

(c) An element which is tetra valent and forms the basis of organic chemistry.

(d) An element which is an inert gas with atomic number 2.

(e) A metal which burns with brilliant light when ignited.

(f) An element which is yellow solid at room temperature that shows catenation and allotropy.

Asked by Topperlearning User 27th May 2014, 9:40 AM
Answered by Expert
Answer:

(a) Sodium

(b) Phosphorus

(c) Carbon

(d) Helium

(e) Magnesium

(f) Sulphur

Answered by Expert 27th May 2014, 11:40 AM
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