IMF and States of Matter

What is the correct definition of intermolecular forces?

• Forces of attraction between molecules

• Forces of attraction within a molecule

• Forces that cause molecules to grow

• Forces that prevent molecules from bonding

Match the following

• Weak IMF

• Solid

• Very Strong IMF

• Gas

• Strong IMF

• Liquid

Tags

NGSS.HS-PS3-4

Match the following

• Very Strong IMF

• Polar Covalent

• Weak IMF

• Nonpolar Covalent

• Strong IMF

• Ionic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

Organize these options into the right categories

Groups:

(a) Ionic

,

(b) Polar Covalent

,

(c) Nonpolar Covalent

• Doesn't dissolve in water

• Moderate Melting Point

• Low Melting Point

• Gases

• Usually dissolves in water

• High Melting Point

• Solids

• Hard and Brittle

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Organize these options into the right categories

Groups:

(a) Solid

,

(b) Liquid

,

(c) Gas

• definite shape

• vibrating in place

• takes shape of container (air)

• strong IMF

• definite volume (salt)

• flows well (air)

• expands and contracts

• doesn't flow

• very strong IMF

• takes shape of container (water)

• particles far apart from each other

• weak IMF

• particles can slide past each other

• definite volume (water)

• flows well (water)

• particles close together

• takes volume of container

Tags

NGSS.MS-PS1-4

Solid particles are very difficult to ​ (a)   because they have ​ (b)   .

Liquid particles are ​ moderately difficult to separate because they have ​ (c)   .

Gas particles are ​ (d)   separated because they have ​ (e)   .

• strong intermolecular forces
• separate
• easily
• weak intermolecular forces

Tags

NGSS.MS-PS1-4

Reorder the following from lowest to highest boiling point.

• Weak intermolecular forces

• Very Strong Intermolecular Forces

• Strong Intermolecular Forces