Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.
Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.
The Sharavati river in Karnataka state of india drops 253 metresin four separate falls named- the Raja, the Rani, the Rocket and the Roarer -together known as jog falls.
The internet was created to provide a secure form of communications and a common communications means for all computers.
Hard drive or disc is used to store the users information and its capacity is measured in Giga Bytes (GB) and Tera Bytes (TB).
The first history book was written by Herodotus around 5th century B.C.
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