Electron Configuration Practice

Which element is pictured?

• neon

• fluorine

• magnesium

• argon

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How are electrons arranged in an atom?

• In groups of five

• In energy levels

• By color

• By shape

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What is the maximum number of electrons that an orbital can have?

• 1 electron

• 2 electrons

• 3 electrons

• 4 electrons

Which is the electron configuration for an oxygen atom?

• 1s²2s²2p⁶3s²3p⁶4s²

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶

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How many electrons can the d sublevel hold?

• 8

• 10

• 2

• 4

What noble gas should be used to write the shorthand (abbreviated) configuration for Te?

• Ar

• Kr

• Xe

• Sb

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There are 4 different types of subshells s,p,d,f

• true

• false

If two electrons occupy the same orbital (square) they must have opposite spins is known as

• Aufbau Principle

• Dalton's theory

• Hund's Rule

• Pauli Exclusion Principle

How many electrons fit in the first energy level?

• 2

• 4

• 8

How many electrons fit in each energy level after the first energy level?

• 2

• 4

• 8

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