Grade 9 (Synchronous Activity)

This Describe the size and distance of an electrons from the nucleus.

• Principal QN

• Azimuthal QN

• Magnetic QN

• Spin QN

What quantum numbers describe the shape of the orbitals?

• Principal QN

• Azimuthal QN

• Magnetic QN

• Spin QN

It describes the orientation on space of the orbitals. 

• Principal QN

• Azimuthal QN

• Magnetic QN

• Spin QN

This describes the direction of the axial spin of the electron.

• Principal QN

• Azimuthal QN

• Magnetic QN

• Spin QN

Give the two accepted values in Spin Quantum Number

Answer explanation

-1/2 and +1/2

He states that “no two electrons in the same atom can have identical values for all four of their quantum numbers”. 

• Neils Bohr

• Robert Bohr

• Wolfgang Pauli

• Albert Pauli

Describe the energy of an electron when it moves away to the nucleus.

Answer explanation

The energy Increases.

Write the electron configuration of the following Element

Ar

Answer explanation

1s²2s²2p⁶3s²3p⁶

Write the electron configuration of the following Elements

Cl

Answer explanation

1s²2s²2p⁶3s²3p⁵

What do you call to the simplified model that represents Valence Electrons?

Answer explanation

Lewis Dot-Diagram