2025 Chem 103 Module 1 to 5 Exam & Final
Exam - Portage Learning/Geneva College,
Exams of Chemistry
Module 1
Three types of information that measurements provide:
......answer.....1. size or magnitude of the measurement (a number)
,2. A standard of comparison for the measurement (a unit)
3. An indication of the uncertainty of the measurement
What the international scientific community has agreed to use to
allow for easier communication of scientific data regardless of
language barriers or differences in national standards
......answer.....International system of units or SI units (updated
version of the metric system)
Seven fundamental properties/base units of the SI System
......answer.....1. length
2. mass
3. time
4. temperature
5. electric current
6. amount of substance
,7. luminous intensity
Property measured: length
provide name of unit and symbol ......answer.....meter (m)
property measured: mass
provide name of unit and symbol ......answer.....kilogram (kg)
property measured: time
provide name of unit and symbol ......answer.....second (s)
property measured: temperature
provide name of unit and symbol ......answer.....kelvin (K)
property measured: electric current
, provide name of unit and symbol ......answer.....ampere (A)
property measured: amount of substance
provide name of unit and symbol ......answer.....mole (mol)
property measured: luminous intensity
provide name of unit and symbol ......answer.....candela (cd)
femto (f) ......answer.....10^-15 (0.000000000000001)
pico (p) ......answer.....10^-12 (0.000000000001)
nano (n) ......answer.....10^-9 (0.000000001)
micro (µ) ......answer.....10^-6 (0.000001)
Exam - Portage Learning/Geneva College,
Exams of Chemistry
Module 1
Three types of information that measurements provide:
......answer.....1. size or magnitude of the measurement (a number)
,2. A standard of comparison for the measurement (a unit)
3. An indication of the uncertainty of the measurement
What the international scientific community has agreed to use to
allow for easier communication of scientific data regardless of
language barriers or differences in national standards
......answer.....International system of units or SI units (updated
version of the metric system)
Seven fundamental properties/base units of the SI System
......answer.....1. length
2. mass
3. time
4. temperature
5. electric current
6. amount of substance
,7. luminous intensity
Property measured: length
provide name of unit and symbol ......answer.....meter (m)
property measured: mass
provide name of unit and symbol ......answer.....kilogram (kg)
property measured: time
provide name of unit and symbol ......answer.....second (s)
property measured: temperature
provide name of unit and symbol ......answer.....kelvin (K)
property measured: electric current
, provide name of unit and symbol ......answer.....ampere (A)
property measured: amount of substance
provide name of unit and symbol ......answer.....mole (mol)
property measured: luminous intensity
provide name of unit and symbol ......answer.....candela (cd)
femto (f) ......answer.....10^-15 (0.000000000000001)
pico (p) ......answer.....10^-12 (0.000000000001)
nano (n) ......answer.....10^-9 (0.000000001)
micro (µ) ......answer.....10^-6 (0.000001)
