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Covalent Bonding Model - AP Chemistry

Authored by Kelly Pierzchala

Chemistry

9th - 12th Grade

NGSS covered

Used 78+ times

Covalent Bonding Model - AP Chemistry
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following compounds would have the most covalent bond character?

MgCl2

Cu

NaO

SiO2

Answer explanation

In general, nonmetals form covalent bonds. However, the greater the difference in electronegativity, the more polar, and therefore less covalent.

Tags

NGSS.HS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

A compound is found to have a relatively high melting point and conducts electricity as a solid and liquid. It is most likely what type of compound?

Metallic

Ionic

Covalent (molecular solid)

Network Covalent

Tags

NGSS.HS-PS1-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

A solid is found to not conduct electricity in the solid or aqueous state and has an extremely high melting point. It is most likely what type of compound?

Metallic

Ionic

Covalent (molecular solid)

Network Covalent Solid

Tags

NGSS.HS-PS1-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

When bonds are broken, energy is...

required

released

Tags

NGSS.HS-PS1-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The amount of energy associated with a covalent bond (bond enthalpy) is negative because...

that's how much energy was released when the bond was formed

that's how much energy was released when the bond is broken

Tags

NGSS.HS-PS1-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

What has a higher bond enthalpy, AB or CD?

AB

CD

Tags

NGSS.HS-PS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

What has a shorter bond length, AB or CD?

AB

CD

Tags

NGSS.HS-PS1-4

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