‘
, 🧪 General Chemistry I – Study Guide
🔑 1. Matter & Measurement (FOUNDATION — shows up
everywhere)
Key Concepts
● Matter = anything with mass + volume
● States: solid, liquid, gas
● Physical vs Chemical Properties
● Accuracy vs Precision
SI Units (MEMORIZE)
Quantity Unit
Length meter (m)
Mass kilogram (kg)
Time second (s)
Volume liter (L)
Metric Prefixes (VERY IMPORTANT)
Prefix Symbol Factor
kilo k 10³
deci d 10⁻¹
centi c 10⁻²
milli m 10⁻³
👉 Examples (like your ALEKS):
● 9 mL = 0.009 L
● 3 km = 3000 m
● 5 g = 500 cg
● 5 s = 50 ds