CHEM103 / CHEM 103 Module 1: (Latest Update 2026 / 2027) General Chemistry I with Lab | Questions & Answers | Grade A | 100% Correct - Portage Learning

CHEM103 / CHEM 103 Module 1:
(Latest Update ) General
Chemistry I with Lab | Questions &
Answers | Grade A | 100% Correct -
Portage Learning

Measurement, Matter, & Atomic Theory




Question:
Macroscopic domain
Answer:
large enough to be sensed directly by human sight or touch




Question:
Microscopic domain
Answer:
objects too small to be sensed directly by human sight or touch; visited in the
imagination (or visible through instruments like microscopes)
ex. atoms or molecules

,Question:
Symbolic domain
Answer:
specialized language used to represent the macroscopic & microscopic
domain
ex. symbols, graphs, formulas, drawings, or equations




Question:
What are the 3 basic parts of a measurement?
Answer:
a number, a unit, and indication of uncertainty




Question:
Exact numbers
Answer:
derived from counting

,Question:
Uncertain measurement
Answer:
derived from a measurement other than counting and subject to uncertainty
due to the limitations of the measurement process used




Question:
Solid
Answer:
fixed shape and volume




Question:
Liquid
Answer:
takes shape of the container, has fixed volume, forms horizontal surface




Question:
Gas
Answer:
takes shape and volume of it's container

, Question:
Law of conservation of matter
Answer:
the amount of matter involved in a chemical or physical change must remain
constant




Question:
Homogeneous mixture
Answer:
uniform composition, appears visually the same throughout (also known as a
solution)
ex. blood, sports drink, maple syrup




Question:
Heterogeneous mixture
Answer:
not completely uniform in composition, varies from point to point
ex. Italian dressing, lemonade with ice, chocolate chip cookies