Chapter 1: Introduction to Chemistry

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Chapter 1Introduction to Chemistry

• Section 1.2
• Chemistry and Matter

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Matter

• Its everywhere!
• Desks, skin, clothes, food
• Can be invisible
• Air, CFC, Ozone

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Chemistry

• The study of matter and the changes it undergoes

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Matter and Its Characteristics

• Matter? anything with mass and takes up space
• Mass? measure of mass independent of gravity
• Weight? measure of amount of matter that depends
  on the effect of gravity on it

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Matter ? 100 Elements ? Atoms (submicroscopic!)
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Why Chemistry Matters

• Structure, composition, and behavior of matter
  can be observed, analyzed, and explained on a
  submicroscopic level
• Chemistry studies submicroscopic matter in order
  to explain macroscopic events