When does AB molecule become a covalent molecule? (A and B are atoms of elements).

An example of a covalent molecule

Why do some elements exist as molecules and some as atoms?

Which of the following covalent molecules is an exception of octet rule?

Since the forces of attractions among covalent molecules are _____, most of the covalent compounds are gases or liquids at room temperature.

Why are molecules more stable than atoms?

ul(X) and ul(Y) are the two covalent molecules in which the hybridisation of the central atoms is same, but shapes are different. ul(X) and ul(Y) are

The following are some statements about dipole moment. i. The dipolemoment of any covalent molecule is zero. ii. The dipolemoment of adiatomic molecule having non -polar bonds is zero iii. The dipolemoment of a diatomic molecule having polar covalent bond is non -zero.

Which of the following statements are correct ? i) The forces of attractions among covalent molecules are strong. ii) Covalent compounds are solids in the room temperature. iii)Covalent compounds have high melting points and high boiling points.

Ozone molecule contains _____ oxygen atoms.