PORTAGE LEARNING CHEM 103 EXAM QUESTIONS WITH 100% CORRECT ANSWERS L LATEST VERSION 2025/2026.

PORTAGE LEARNING CHEM 103 EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS L LATEST VERSION 2025/2026.




The 3 domains of chemistry - ANS macroscopic, microscopic, symbolic



macroscopic domain - ANS the realm of everyday objects large enough to be sensed directly
by human sight or touch



microscopic domain - ANS the realm of objects that are too small to be sensed directly,
visited in the imagination or visible through microscopes, etc



symbolic domain - ANS specialized language used to represent components of the
macroscopic and microscopic domains



abbreviation for gas - ANS (g)



abbreviation for solid - ANS (s)



abbreviation for liquid - ANS (l)




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, 3 basic parts of a measurement - ANS - a number - size or magnitude of the measurement

- a unit - standard comparison for the measurement

- an indication of uncertainty



International system of units (SI Units) - ANS 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) - ANS meter, m



Tempurature

(unit, unit symbol) - ANS kelvin, K (always capitol K, don't need "degree")



Also allowed: degree Celcius, °C



Time

(unit, unit symbol) - ANS second, s



also allowed: hours, days, years



Mass

(unit, unit symbol) - ANS kilogram, kg



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

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