Match the following:
Column I

Column II

1.A molecule of an element

(a)N2

2.A molecule of a compound

(b) Element

3.An autom of a metal

(c) NH3

4. A substance containing same type of automs

(d) Compound

5. A substance containing different type of automs in a fixed ratio

(e) Na

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Solution

Column I Column II

A molecule of an element N₂

An atom of a metal NH₃

An atom of a metal Na

A substance containing same type of atoms Element

A substance containing different type of atoms in a fixed ratio Compound

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Similar questions

Which of the following statements about a compound is incorrect ?

(a) A molecule of a compound has atoms of different elements

(b) A compound cannot be separated into its constituent elements by physical methods of separation

(d) The ratio of atoms of different elements in a compound is fixed

Column I	Column II
a. balanced equation	i. substances that start the reaction
b. reactants	ii. the number of atoms of each kind is the same on each side
c. products	iii. joining together of two elements or compounds
d. symbol	iv. substances formed as a result of a reaction
e. combination	v. breaking up of a substance
f. decomposition	vi. one atom of an element

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Column I	Column II
A molecule of an element	N₂
An atom of a metal	NH₃
An atom of a metal	Na
A substance containing same type of atoms	Element
A substance containing different type of atoms in a fixed ratio	Compound