Electron Configuration Practice

Electron Configuration Practice

10th - 12th Grade

15 Qs

quiz-placeholder

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Electron Configuration Practice

Electron Configuration Practice

Assessment

Quiz

Chemistry

10th - 12th Grade

Practice Problem

Hard

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you determine the number of valence electrons in an atom?

By looking at the outermost shell's electron configuration.

By counting all the electrons in the atom.

By calculating the atomic mass of the element.

By identifying the number of protons in the nucleus.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What atom matches the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰?

Zinc

Copper

Iron

Silver

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the maximum number of electrons that can be placed in the p subshell?

2

4

6

8

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Define electron configuration.

The arrangement of protons in an atom.

The distribution of electrons in an atom's orbitals.

The total number of neutrons in an atom.

The energy levels of an atom's nucleus.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is Hund's Rule?

Electrons will fill degenerate orbitals singly before pairing up.

Electrons will pair up in the same orbital before filling others.

Electrons will occupy the lowest energy orbitals first regardless of pairing.

Electrons will fill all orbitals in pairs before occupying any singly.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the electronic configuration of sodium?

1s² 2s² 2p⁶ 3s¹

1s² 2s² 2p⁶ 3p¹

1s² 2s² 2p⁶ 3s²

[Ne] 3s¹

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which electron configuration corresponds to Chlorine (Cl)?

1s² 2s² 2p⁶ 3s² 3p⁴

1s² 2s² 2p⁶ 3s² 3p⁵

1s² 2s² 2p⁶ 3s² 3p⁶

1s² 2s² 2p⁶ 3s² 3p³

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