MATERIAL TECHNOLGY- FILL UPS

Electrons revolve around a positively charged nucleus in discrete .

• orbits
• centre

A                         bond is an interatomic bond.

• Primary
• Secondary

The bond between molecules is                           bond.

• Secondary
• Primary

The bond which is stronger and stable is                          .

• Primary
• Secondary

The bond which is week and less stable is                        .

• Secondary
• Primary

The week force is also known as                                 force.

• Vander-waals
• Newton

Covalent bond is also known as                                 bond.

• Homopolar
• Amorphous

The ionic solids are soluble in                    .

• Water
• Chemical

Covalent solids are soluble in                          .

• Benzene/Toluene
• Butyene

Atoms are arranged periodically in                         solid.

• Crystalline
• Amorphous