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

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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.

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Answer explanation

The energy Increases.

Write the electron configuration of the following Element

Ar

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Answer explanation

1s²2s²2p⁶3s²3p⁶

Write the electron configuration of the following Elements

Cl

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1s²2s²2p⁶3s²3p⁵

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

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Answer explanation

Lewis Dot-Diagram