Bank Clerk Questions

Br-Br.

In Br2, two of the same atoms, pull on each side of the bond is equal making it as non-polar.

The other options all include a significantly more electronegative atom (the oxygens and the chlorine), so those bonds are all polar covalent.

Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. By sharing their outer most (valence) electrons, atoms can fill up their outer electron shell and gain stability.

Examples of compounds with covalent bonds ::

HCl, CO2, O2,... 

United States and Russia have together almost 400 billion tones. Which represents nearly 50% of world's reserves of coal.

Prejudiced

The Indian Navy operates three operational Commands. They are

1. Western Naval Command - Mumbai

2. Eastern Naval Command  - Vishakhapatnam

3. Southern Naval Command - Kochi

Indian state that has the maximum number of Lok Sabha constituencies is Uttar Pradesh with 80 Lok sabha seats.