Electron Dot Diagrams

Electron Dot Diagrams

Assessment

Flashcard

Science

8th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an Electron Dot Diagram?

Back

An Electron Dot Diagram is a representation of the valence electrons in an atom, shown as dots around the chemical symbol.

2.

FLASHCARD QUESTION

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.

3.

FLASHCARD QUESTION

Front

How many valence electrons does neon (Ne) have?

Back

Neon has 8 valence electrons.

4.

FLASHCARD QUESTION

Front

What is the significance of having 8 valence electrons?

Back

Having 8 valence electrons (octet) makes an atom more stable and less likely to react.

5.

FLASHCARD QUESTION

Front

Which element has the following dot diagram: ••Ne•?

Back

This dot diagram is incorrect for neon; it should have 8 dots.

6.

FLASHCARD QUESTION

Front

What does it mean for an element to gain or lose electrons?

Back

Gaining or losing electrons allows an element to achieve a full outer shell, typically 8 valence electrons.

7.

FLASHCARD QUESTION

Front

Which of the following elements has 5 valence electrons: P, Ar, Na, B?

Back

Phosphorus (P) has 5 valence electrons.

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