Electron Configuration

Electron Configuration

Assessment

Flashcard

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is electron configuration?

Back

The distribution of electrons in an atom's orbitals, indicating the energy levels and sublevels occupied by electrons.

2.

FLASHCARD QUESTION

Front

What does the notation [Ar] represent in electron configuration?

Back

It represents the electron configuration of Argon, which is the noble gas preceding the element in question.

3.

FLASHCARD QUESTION

Front

How many electrons can the 3d sublevel hold?

Back

The 3d sublevel can hold a maximum of 10 electrons.

4.

FLASHCARD QUESTION

Front

What is the electron configuration for a neutral oxygen atom?

Back

1s² 2s² 2p⁴.

5.

FLASHCARD QUESTION

Front

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁵?

Back

Chlorine (Cl).

6.

FLASHCARD QUESTION

Front

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

Back

It states that electrons occupy the lowest energy orbitals first before filling higher energy levels.

7.

FLASHCARD QUESTION

Front

What is Hund's rule?

Back

Electrons will fill degenerate orbitals singly before pairing up in the same orbital.

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