Atomic structure

Which of the following is not part of an atom

• Electron

• Neutron

• Nekton

• Proton

Atomic number of chlorine is

• 12

• 15

• 17

• 20

The electronic configuration of oxygen atom is......

• 1S² 2S² 2P3

• 1S² 2S² 2P⁴

• 1S² 2S² 2P⁵

• 1S² 2S² 2P⁶

The shape of p orbitals is.......

• Spherical

• Dumbbell

• Angular

• Double dumbbell

Among the following the orbital with high energy is...

• 2s

• 4p

• 3d

• 3p

Which of the following rule is not used for filling electrons in orbital

• Hunds law

• Aufbau principle

• Boyle's law

• Pauli's exclusion rule

Assertion: Atoms are electrically neutral. Reason: Number of protons and electrons are different.

• Both assertion and reason are true and the reason is a correct explanation of the assertion.

• Both assertion and reason are true but reason is not a correct explanation of the assertion.

• Assertion is true but reason is false.

• Both the assertion and reason are false.