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A property is called ____ if it does not depend on how much material you have (for example, it stays the same for a small vs large sample). A property is called ____ if it does depend on the amount of material (it changes when you have more or less). Density is usually considered ____ because a bigger chunk of the same pure substance has the same density.

Course
Everyday Chemistry Foundations: Matter, Atoms, and Reactions
6 units29 lessons
Topics
ChemistryPhysical ScienceEarth & Environmental Science (applications)Mathematics (measurement, ratios, basic quantitative reasoning)Engineering/Technology (applications and lab tools)
About this course

This course builds a practical foundation in chemistry by connecting particle-level ideas to everyday observations. It covers how matter is classified and measured, how atoms are structured into isotopes and ions, and how the periodic table predicts properties and reactivity. Core bonding models (ionic, covalent, metallic) and molecular structure explain formulas, naming, and material behavior. Chemical reactions are explored through evidence of change, common reaction types, and conservation of mass with introductory equation balancing. The course also introduces states of matter, solutions and concentration, acids and bases with pH, and essential lab safety and measurement practices.