Lewis Structures

Lewis Structures

Assessment

Flashcard

Chemistry

11th 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 the octet rule in chemistry?

Back

The octet rule states that most elements need 8 valence electrons to be stable.

2.

FLASHCARD QUESTION

Front

How many valence electrons does hydrogen need to achieve stability?

Back

Hydrogen needs 2 electrons in its valence shell to be stable.

3.

FLASHCARD QUESTION

Front

What type of bond is formed between carbon and nitrogen in HCN?

Back

A triple bond is formed between carbon and nitrogen in HCN.

4.

FLASHCARD QUESTION

Front

What is the correct Lewis dot structure for the molecule fluorine (F2)?

Back

The correct Lewis dot structure for F2 shows each fluorine atom sharing one pair of electrons.

5.

FLASHCARD QUESTION

Front

What is the Lewis structure for BF3?

Back

The Lewis structure for BF3 shows boron as the central atom with three fluorine atoms bonded to it.

6.

FLASHCARD QUESTION

Front

What are Lewis structures used for?

Back

Lewis structures are used to represent the bonding between atoms in a molecule and the lone pairs of electrons.

7.

FLASHCARD QUESTION

Front

What is a lone pair in the context of Lewis structures?

Back

A lone pair is a pair of valence electrons that are not shared with another atom and are not involved in bonding.

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