CHEM 103 MODULE 5 EXAMINATION 2026
COMPREHENSIVE TEST QUESTIONS AND
SOLUTIONS VERIFIED
◉ What is the symbol for the SI unit for mass? Answer: kg
◉ What is the name of the SI unit for time? Answer: second
◉ What is the symbol for the SI unit for time? Answer: s
◉ What is the name of the SI unit for temperature? Answer: kelvin
◉ What is the symbol for the SI unit for temperature? Answer: K
◉ What is the name of the SI unit for electric current? Answer:
ampere
◉ What is the symbol for the SI unit for electric current? Answer: A
◉ What is the name of the SI unit for amount of substance? Answer:
mole
, ◉ What is the symbol for the SI unit for amount of substance?
Answer: mol
◉ What is the name of the SI unit for luminous intensity? Answer:
candela
◉ What is the symbol for luminous intensity? Answer: cd
◉ What is uncertainty? Answer: estimate of how much a
measurement differs from true values
◉ What is the rule for sig figs when adding or subtracting? Answer:
round the answer to the same # of decimal places as the number
with the least # of decimal places
◉ What is the rule for sig figs when multiplying or dividing? Answer:
round the result to the same # of digits as the # with the least # of
sig figs
◉ are leading 0's (to the left) of a number significant? Answer: no
◉ are trailing 0's (to the right of a number) significant if there is a
decimal in the number? Answer: yes
COMPREHENSIVE TEST QUESTIONS AND
SOLUTIONS VERIFIED
◉ What is the symbol for the SI unit for mass? Answer: kg
◉ What is the name of the SI unit for time? Answer: second
◉ What is the symbol for the SI unit for time? Answer: s
◉ What is the name of the SI unit for temperature? Answer: kelvin
◉ What is the symbol for the SI unit for temperature? Answer: K
◉ What is the name of the SI unit for electric current? Answer:
ampere
◉ What is the symbol for the SI unit for electric current? Answer: A
◉ What is the name of the SI unit for amount of substance? Answer:
mole
, ◉ What is the symbol for the SI unit for amount of substance?
Answer: mol
◉ What is the name of the SI unit for luminous intensity? Answer:
candela
◉ What is the symbol for luminous intensity? Answer: cd
◉ What is uncertainty? Answer: estimate of how much a
measurement differs from true values
◉ What is the rule for sig figs when adding or subtracting? Answer:
round the answer to the same # of decimal places as the number
with the least # of decimal places
◉ What is the rule for sig figs when multiplying or dividing? Answer:
round the result to the same # of digits as the # with the least # of
sig figs
◉ are leading 0's (to the left) of a number significant? Answer: no
◉ are trailing 0's (to the right of a number) significant if there is a
decimal in the number? Answer: yes