Appendix A - Comparison of Solutions, Suspensions, and Colloids

Type Particle size Permanence
Solution < 1 nm Permanent
Colloid between 1 nm and 100 nm Permanent
Suspension >100 nm Settle out

Properties of Solutions, Suspensions, and Colloids

Solutions Colloids Suspensions
Do not settle out Do not settle out Settle out on standing
Pass unchanged through filter paper Pass unchanged through filter paper Separated by filter paper
Do not scatter light Scatter light Scatter light
Affect colligative properties Do not affect colligative
properties
Do not affect colligative
properties

Handy conversions
1 ounce (avoirdupois) = 28.35 grams
1 ounce (liquid) = 29.58 milliliters (mL)
1 tablespoon (liquid) = approximately 10 milliliters (mL)
1 pound = 454 grams