Quantum Mechanical Model Quiz

The Quantum Mechanical Model describes the motion of electrons as

• moving in waves

• moving in circular orbits

• moving in jumps

• not moving at all

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Just like in the Bohr Model, energy changes for electrons in the Quantum Mechanical Model can be described as

• happening continuously

• happening gradually

• happening in specific amounts

• not happening at all

Which of the following describes an electron cloud?

• a principle energy level

• a region of space where is it likely to find the electron 90% of the time

• a sub level

• all of these choices describe an electron cloud

Consider the following electron configuration:

1s²2s²2p⁶3s¹

How many electrons are in the n=2 principle energy level?

• 2

• 6

• 8

• none

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Consider the following electron configuration:

1s²2s²2p⁶3s¹

How many electrons are in a p sub level?

• 2

• 6

• 8

• none

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Consider the following electron configuration:

1s²2s²2p⁶3s¹

How many total electrons does this element have?

• 1

• 8

• 10

• 11

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Of the choices below, which sub level has the highest energy?

• 3p

• 3s

• 3d

• 4s

Which of the following can fit no more than 6 electrons?

• 6s

• 1p

• 3p

• 4d

How many orbitals are in a d sublevel?

• 3

• 6

• 5

• 10

Which of the following is correct?

• 1s³

• 2d¹⁰

• 3f¹

• 7s²

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