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Chemistry of Life. 2.1 The nature of matter. Big Idea: Matter and Energy. What is matter? Matter is anything that occupies space and has a mass Atoms are the basic unit of matter Atoms are composed of 3 sub atomic particles.
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Chemistry of Life 2.1 The nature of matter
Big Idea: Matter and Energy • What is matter? • Matter is anything that occupies space and has a mass • Atomsare the basic unit of matter • Atoms are composed of 3 sub atomic particles
Isotopes: atoms of the same element that have a different number of neutrons
Chemical Compounds Compoundsconsist of atoms of two or more elements that are joined by chemical bonds in a fixed proportion.