Portage Learning CHEM 103 Module 1 Exam Questions and Answers Graded A+

Portage Learning CHEM 103 Module 1
Exam Questions and Answers Graded A+

the 3 domains of chemistry - Correct answer-macroscopic, microscopic, symbolic

macroscopic domain - Correct answer-the realm of everyday objects large enough

to be sensed directly by human sight or touch

microscopic domain - Correct answer-the realm of objects that are too small to be

sensed directly, visited in the imagination or visible through microscopes, etc

symbolic domain - Correct answer-specialized language used to represent

components of the macroscopic and microscopic domains

abbreviation for gas - Correct answer-(g)

abbreviation for solid - Correct answer-(s)

abbreviation for liquid - Correct answer-(l)

3 basic parts of a measurement - Correct answer-- a number - size or magnitude of

the measurement

- a unit - standard comparison for the measurement


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,- an indication of uncertainty

International system of units (SI Units) - Correct answer-standard set of units

agreed upon by the scientific community




updated version of the metric system composed of several fundamental properties

Length

(unit, unit symbol) - Correct answer-meter, m

Tempurature

(unit, unit symbol) - Correct answer-kelvin, K (always capitol K, don't need

"degree")




Also allowed: degree Celcius, °C

Time

(unit, unit symbol) - Correct answer-second, s




also allowed: hours, days, years



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, Mass

(unit, unit symbol) - Correct answer-kilogram, kg




gram is the base unit, but kilogram is the SI Unit

electric current

(unit, unit symbol) - Correct answer-ampere, A

amount of substance

(unit, unit symbol) - Correct answer-mole, mol

luminous intensity

(unit, unit symbol) - Correct answer-candela, cd

volume

(unit, unit symbol, definition) - Correct answer-cubic meter, m^3




also allowed:

- cubic decimeter, dm^3

- cubic centimeter, cm^3


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