Chapter 1 Review Sheet

Chemistry 1 – Test 1 Review Sheet – Don’t forget your calculator Know the basic units of measurement: Mass __________ Volume ___________ Length ___________ Know the metric prefixes and their values Symbol

Name/prefix

Sci notation

Numerical value

meaning

mega k 100 Ten times One-tenth 10-2 .001 υ Nano Explain significant figures in terms of precision, accuracy and usefulness. Know how to use the zero rules for significant figures. Be able to convert between standard notation and scientific notation and back (i.e. 6000 = 6 x 103) INCLUDING HOW TO WRITE IN PROPER SIGNIFICANT FIGURES. Be able to perform conversions using dimensional analysis and be able to define what dimensional analysis is and how it helps you. Know the basic conversions: 1 meter = _________ mm = __________cm = _____________ υm = __________nm 1 dam = _____________ m

1 km = ___________ m

1 hm ______________ m

1 Mm = ___________ m

Know definitions for the following terms: Significant figures Density Specific gravity Chem. I – chapter 1 review sheet

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Conversion factor Equality Exact number Matter Mass Volume Length Energy

Know basic safety guidelines in the lab.         Know how to perform calculations such as… Converting metric units to units like gallons and yards and inches.(conversion values will be provided for you). Make density calculations – see sample problem 1.14 page 27 and 1.15 on page 28 Make density calculations based on water displacement procedure. Make % mass calculations. (see lab) Make specific gravity calculations - see sample problem 1.18 on page 31 and 1.19 on page 32.

Chem. I – chapter 1 review sheet

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