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