Chemistry Unit 5 Review

How many orbitals are in the 2p sublevel?

• 1

• 3

• 5

• 7

How many electrons can exist in a single 4p orbital?

• 2

• 6

• 10

• 14

How many sub-levels can be found on the 3rd principle energy level?

• 1

• 2

• 3

• 4

Which sub-level of the ones below would be filled first?

• 4s

• 2p

• 3d

• 2s

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Which of the following colors has the least amount of energy?

• green

• blue

• orange

• violet

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The electron configuration, [Ar] 4s² 3d⁷ represents which element?

• iron

• cobalt

• rhodium

• nickel

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Which noble gas would be used to abbreviate the electron configuration of phosphorus?

• helium

• neon

• argon

• krypton

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What is the electron configuration of titanium?

• [Ar] 4s² 4d²

• [Kr] 4s² 3d²

• [Ar] 4s² 3d²

• [Kr] 3s² 3d²

How many electrons can the 3rd principle energy level hold?

• 2

• 8

• 14

• 18

In order for an electron to move to a higher energy level,

• energy must be lost.

• energy must be absorbed.

• electrons must stop moving.

• electrons must be added.

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