Helium is chemically

The bond formed by mutual sharing of the electron is

When atoms lose or gain electrons they acquire configuration of

The covalent compound among the following is

The melting point of table salt is

Synthetic resins are used in places where

Oxygen belongs to group VIA so the number of electrons in its valence shell is

When the partially positive end of one molecule is attracted weakly to partial negative end then force between them is

When one atom forms cation by losing an electron and other forms anion by accepting that electron then bond form between them is

Nobel gases are stable because they contain

Electron pairs which are not shared by atoms are called

The strength of intermolecular forces from the ionic or covalent bond is

Ionic crystals have

In NaCl crystal each Na⁺ ion is surrounded by

At room temperature most of the ionic compounds are

Chemical bonding between atoms is

The tendency of atoms to acquire eight electrons in their valence shell is

Bonds which involve 3 shared electron pairs are

To form anion, the non-metal atom

When two identical atoms share electron pairs and exert force on each other then the bond form is