Electron Configuration

Electron Configuration

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the electron configuration of Magnesium?

Back

1s² 2s² 2p⁶ 3s²

2.

FLASHCARD QUESTION

Front

Which element is represented by the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁵?

Back

Chlorine (Cl)

3.

FLASHCARD QUESTION

Front

How many total electrons does Silicon (Si) have?

Back

14

4.

FLASHCARD QUESTION

Front

What is the electron configuration of Iron (Fe)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶

5.

FLASHCARD QUESTION

Front

Which of the following is a p block element: Ar, Na, or Ca?

Back

Ar (Argon)

6.

FLASHCARD QUESTION

Front

What is the maximum number of electrons that can occupy the 3rd energy level?

Back

18 electrons (2n² rule) where n=3.

7.

FLASHCARD QUESTION

Front

What is the significance of the Aufbau principle in electron configuration?

Back

The Aufbau principle states that electrons occupy the lowest energy orbitals first.

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