Electron Configuration Mini Quiz

Which electron configuration corresponds to a nitrogen(N) atom?

• 1s² 2s² 2p³
• 1s² 2s¹ 2p³
• 1s² 2s² 2p⁴
• 1s² 2s² 2p²

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The electron configuration of an atom is 1s2 2s2 2p6. The number of electrons in the atom is

• 6
• 10
• 12
• 8

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What are valence electrons?

• Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.
• Valence electrons are the electrons that do not participate in chemical reactions.
• Valence electrons are the electrons that are always in the inner shells of an atom.
• Valence electrons are the protons in the nucleus of an atom.

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Which of the following characteristics is similar for fluorine and iodine?

• Both are noble gases.
• Both are alkali metals.
• Both are halogens.
• Both are transition metals.

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Where would the electrons be located?

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Label the three parts of an electron configuration:

d

e

f

group

block (orbital)

period (row)

family

section

protons

electrons

The image shows the partial electron configuration of manganese (Mn). Below there are two empty boxes. Correctly drag the final two answers in the correct order to finish its electron configuration.​

​ ​ (a)   ​ (b)  

• 4s²
• 3d⁵
• 1p⁶
• 2s³
• 3d⁹
• 2d⁹

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NGSS.HS-PS1-1

Match the following

• e

• b

• d

• a

• f

• c

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How many valence electrons are represented here?

• 2

• 5

• 8

• 7

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Write out the electron configuration for Aluminum. (Example: 3s2 4p3 1s2) Write it in exactly this format.

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