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Chapter 6 Chemistry in Biology
Section 1: Atoms, Elements, and Compounds Section 2: Chemical Reactions Section 3: Water and Solutions Section 4: The Building Blocks of Life
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Chemistry is the study of matter.
Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds Chemistry is the study of matter. Atoms are the basic units of matter – what are the parts of an atom and what are their charges?
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6.1 Atoms, Elements, and Compounds
Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds
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Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds Elements An element-pure substance that cannot be broken down into other substances by physical or chemical means.
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Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds Isotopes Atoms of the same element that have the same number of protons and electrons but have a different number of neutrons
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Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds Radioactive Isotopes When a nucleus breaks apart, it gives off radiation that can be detected and used for many applications.
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Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds Compounds A pure substance formed when two or more different elements combine - have a specific ratio Compounds cannot be broken down into simpler compounds or elements by physical means.
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forms when electrons are shared
Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds Covalent bonds forms when electrons are shared
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Ionic Bonds Electrical attraction between two oppositely charged atoms
Chapter 6 Chemistry in Biology 6.1 Atoms, Elements, and Compounds Ionic Bonds Electrical attraction between two oppositely charged atoms
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Chapter 6 Chemistry in Biology
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What is a chemical reaction?
Chapter 6 Chemistry in Biology 6.2 Chemical Reactions Reactants and Products What is a chemical reaction? Chemical reaction What are clues that a chemical reaction has taken place? Physical reaction
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Reactants are the starting substances
Chapter 6 Chemistry in Biology 6.2 Chemical Reactions Chemical Equations Reactants are the starting substances Products are the substances formed during the reaction
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Glucose and oxygen react to form carbon dioxide and water.
Chapter 6 Chemistry in Biology 6.2 Chemical Reactions Glucose and oxygen react to form carbon dioxide and water.
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The law of conservation of mass
Chapter 6 Chemistry in Biology 6.2 Chemical Reactions Balanced Equations The law of conservation of mass
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