EXAM REVIEW WITH SOLVED QUESTIONS
GRADED A+
◉ metric system length . Answer: meter
◉ metric system mass . Answer: kilogram
◉ metric system volume . Answer: liter
◉ metric system time . Answer: second
◉ metric system temperature . Answer: kelvin
◉ metric system amount of substance . Answer: mole
◉ kilo . Answer: 1000
◉ hecto . Answer: 100
◉ deka . Answer: 10
, ◉ deci . Answer: 0
◉ centi . Answer: 0
◉ milli . Answer: 0
◉ sig figs in multiplication/division . Answer: rounded to the same
number of significant figures as the original value in the problem with
the least number of significant figures
◉ sig figs in addition/subtraction . Answer: rounded to the same number
of decimal places as the original value in the problem with the least
number of decimal places
◉ density formula (given on midterm but good to know) . Answer:
D=m/v
◉ matter . Answer: anything that has mass and takes up space
◉ categories of matter . Answer: pure substances and mixtures
◉ pure substance . Answer: either an element or a compound