Atomic Structure

Electrons revolve around the nucleus in fixed 'orbits' called...

• Energy Levels

• Nucleus Orbit

• Orbit Levels

• Orbit's Energy

Which sub-atomic particles are found in the nucleus of the atom?

• Neutrons and Electrons

• Protons and Electrons

• Protons and Neutrons

Electrons revolve around the nucleus in imaginary paths called...

• Orbits

• Shells

• Paths

• Orbits or Shells

The outermost shell cannot have more than...

• 3 Electrons

• 8 Electrons

• 5 Electrons

• 6 Electrons

What's the valency of Aluminium?

• 2

• 3

• 8

• 1

Which is the atom that has stable electronic configuration?

• Nitrogen

• Oxygen

• Sodium

• Argon

A molecule formed by sharing of electrons....

• Nitrogen

• Sodium

• Oxygen

• Copper

A metallic atom having unstable electronic

configuration-

• Argon

• Sodium

• Hydrogen

• Oxygen

Do isotopes have the same atomic number or the same mass number?

• Isotopes have same mass number.

• Isotopes have same atomic number.

• None of the above

What's the valency of Chlorine?

• -2

• 3

• -1

• -3