Free Printable Electron Configurations Practice Problems (neutral atoms only)

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Electron Configurations Practice Problems (neutral atoms only)

Total questions: 18

Worksheet time: 14mins

Name

Class

Date

Which of the following is the correct configuration for the ground state of an atom of fluorine (F)?

1s²2s¹2p⁶

1s²2s²2p⁵

1s³2s²2p⁵

[Ne]3s²3p⁵

What is the full electron configuration for the ground state of potassium (K)?

1s²2s²2p⁶3s²3p⁶4s¹

1s²2s²3s²3p⁶3d⁷

1s²2s²2p⁶3s²3p⁶3d¹

1s²2s¹2p⁶3s²3p⁶4s²

What's a valence electron?

electrons in the second energy level

electrons in the highest/outermost energy level

the atomic number

electrons in the first level

What atom matches this electron configuration?

1s²2s²2p⁶3s²

Neon

Magnesium

Aluminum

Potassium

Which element is depicted from this orbital diagram?

Fluorine

Neon

Chlorine

Argon

Which of the following is a p block element?

What is the noble gas shorthand configuration for a sulfur atom?

[Ar] 3p⁴

[He] 3s²3p⁴

[Ne] 3s²3p⁴

[Na] 3s²3p⁴

What noble gas should be used in brackets to write the shorthand configuration for Te?

Choose the Noble Gas that you would use to begin the shorthand configuration of the following element.

Plutonium (Pu)

[Xe]

[Ne]

[Rn]

[Kr]

10.

Identify the element in Period 5 that has 1 valence electron.

11.

What element in Period 4 has 5 valence electrons?

12.

Choose the correct shorthand configuration for iodine.

[Ar]4s²4d¹⁰4p⁵

[Kr]5s²4d¹⁰5p⁵

[Xe]5s²5d¹⁰5p⁵

none of the above

13.

One would think Ag would have the following configuration: $\left[Kr\right]5s^24d^9$ , but it actually is __________ due to stability

$\left[Kr\right]5s^14d^{10}$

$\left[Kr\right]5s^24d^8$

$\left[Kr\right]5s^34d^9$

$\left[Kr\right]5s^24d^5$

14.

What is the noble gas configuration for beryllium?

[He]1s²

[He]2s²

[Li]2s¹

[Li]2s²

15.

What is the abbreviated electron configuration for barium?

[Xe] 6s²

[Rn] 6s²

[Ar] 4s² 3d¹⁰ 4p⁵

[He] 2s² 3p¹

16.

What is the correct noble gas configuration for neon?

[Ne]

[He]2s²2p⁶

[F]2p¹

[Ne]2s²1p⁶

17.

What is the shorthand configuration for tin, Sn?

[Xe]5s²4d¹⁰5p²

[Kr]5p²

[Kr]5s²4d¹⁰5p²

18.

What is the shorthand configuration for lead (Pb)?

[Xe]6s²4f¹⁴5d¹⁰6p²

[Xe]6s²5d¹⁰6p²

[Rn]6s²5d¹⁰6p²

[Rn]6s²4f¹⁴5d¹⁰6p²

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Electron Configurations Practice Problems (neutral atoms only)

Total questions: 18

Worksheet time: 14mins

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