Electron Configurations

Electron Configurations

12th Grade

20 Qs

quiz-placeholder

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Electron Configurations

Electron Configurations

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Jorge Pacheco

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum number of electrons that can occupy the s orbital at any given energy level?

1

2

6

8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following electron configurations corresponds to an atom of chlorine (Cl)?

1s² 2s² 2p⁶ 3s² 3p⁵

1s² 2s² 2p⁶ 3s² 3p⁶

1s² 2s² 2p⁶ 3s² 3p⁴

1s² 2s² 2p⁶ 3s¹ 3p⁵

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many valence electrons does an atom of sulfur (S) have?

4

6

16

2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following elements has a completely filled d subshell in its ground state?

Iron (Fe)

Zinc (Zn)

Copper (Cu)

Chromium (Cr)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the correct electron configuration for the element with atomic number 20 (Calcium)?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

1s² 2s² 2p⁶ 3s² 3p⁶ 3d²

1s² 2s² 2p⁶ 3s² 3p⁴ 4s²

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹ 4s²

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many unpaired electrons are in the ground state of nitrogen (N)?

1

2

3

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following elements has the electron configuration 1s² 2s² 2p⁶ 3s² 3p¹?

Aluminum (Al)

Silicon (Si)

Boron (B)

Sodium (Na)

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