Unit 8 & 9 Chemistry

The _____ model shows how the atoms are arranged in 3-D space.

• space-filling
• ball and stick
• structural
• combined

*

• trigonal pyramid
• linear
• bent
• angular

Which of the following most likely represents the molecular geometry of water?

• A
• B
• C
• D

What is the bond called where electrons are NOT shared equally? 

• polar covalent
• nonpolar covalent

What kind of chemical bond forms between a metal and a nonmetal?

• Covalent bond
• Ionic bond
• Can be either covalent or ionic
• Hydrogen bond

Tags

NGSS.HS-PS1-1

Which of these elements does not exist as a diatomic molecule?

• I
• F
• H
• He

A diatomic molecule with a triple covalent bond is 

• N₂
• Br₂
• H₂
• O₂

Tags

NGSS.HS-PS1-4

True or False: A covalent bond involves atoms sharing electrons.

• True
• False

A strong covalent bond has ________ bond dissociation energy.

• a low
• a moderate
• a high
• no

Tags

NGSS.HS-PS1-4

Which of the following is the strongest of all intermolecular forces?

• hydrogen bonds
• dispersion forces
• dipole interactions
• ionic bonds.