CHM 2045 Module Two Sample Exam Answers
Part D: Metric System Basic Units/Numerical
Prefixes 4 points
Fill in the blank with the proper basic
unit or metric prefix, then in the parenthesis put the unit’s or prefix’s
abbreviation:
__meter_______( m ) 1. Basic unit of length in the metric system
__Liter________( L ) 2. Basic unit of volume in the metric
system
__gram_______ ( g
) 3.
Basic unit of mass in the metric system (not SI: SI: kilogram)
__milli________( m ) 4. Metric prefix which means 1/1000 of a unit
__kilo________( k ) 5.
Metric prefix which means 1000 units
__centi_______( c ) 6. Metric prefix which means 1/100 of a unit
__deci_______
( d ) 7.
Metric prefix which means 1/10 of a unit
__Mega______( M )
8. Metric prefix which means
1,000,000 units
__micro______( µ )
9. Metric prefix which means
1/1000000 ( 10-6) of a unit
__nano______( n ) 10.
Metric Prefix which means 1/1000000000 ( 10-9) of a unit
Bonus: Giga (G) Metric Prefix which means
1,000,000,000 ( 109
)
of a unit
Module Two-Part E Metric Unit
Factors 5 points
Fill in the blank with the number which
completes the metric unit factor:
(1)
_1000______mg
= 1.000 g
(2)
_1,000,000__mg
= 1.000 kg (7) ___1000_____ g =
1 kg
(3)
_1000______mL
= 1.000 L (8) ____10______
cm = 1 dm
(4)
_100_______cm
= 1.000 m (9) __1,000,000__ µL = 1 L
(5)
__1_________mL
= 1.00 cm3 (10) _1,000,000,000__ nm = 1 m
(6)
___0.001_____km
= 1.000 m
Bonus: ____1,000,000,000,000,000,000__ nm = 1 Gm