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Chemistry
4. Carbon and its Compounds
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Q4 of 80 Page 77

Write the covalent bonding in nitrogen.

Nitrogen has the electronic configuration 2, 5. It shares 3 of the outermost electrons with another nitrogen atom to form a triple-bonded N2 molecule, as shown below:



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2

An element X which has 6 electrons in its outermost shell, require 2 electrons to complete its octet for attaining noble gas configuration. X is an essential element for the survival of all living beings. What is X?

3

(i) The main constituent of marsh gas is ……….

(ii) In case of a water molecule, hydrogen acquires a ………. configuration.

5

Why covalent compound are volatile in nature with low boiling and low melting point?

6

Give two differences between ionic and covalent compounds.

Questions · 80
4. Carbon and its Compounds
1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 36 37 38 39 40 41 42 1 2 3 4 5 6 7 8 9
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