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2–1 The Nature of Matter A. Atoms B. Elements and Isotopes 1. Isotopes 2. Radioactive Isotopes C.Chemical Compounds D.Chemical Bonds 1. Ionic Bonds 2. Covalent Bonds 3. Van der Waals Forces. Atomic Structure. Isotopes of Carbon. Nonradioactive carbon-12. Nonradioactive carbon-13.
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2–1 The Nature of Matter A. Atoms B. Elements and Isotopes 1. Isotopes 2. Radioactive Isotopes C.Chemical Compounds D.Chemical Bonds 1. Ionic Bonds 2. Covalent Bonds 3. Van der Waals Forces
Isotopes of Carbon Nonradioactive carbon-12 Nonradioactive carbon-13 Radioactive carbon-14 6 electrons 6 protons 6 neutrons 6 electrons 6 protons 7 neutrons 6 electrons 6 protons 8 neutrons
Ionic Bonding Sodium atom (Na) Chlorine atom (Cl) Sodium ion (Na+) Chloride ion (Cl-) Transfer of electron Protons +11 Electrons -11 Charge 0 Protons +17 Electrons -17 Charge 0 Protons +11 Electrons -10 Charge +1 Protons +17 Electrons -18 Charge -1
Ionic Bonding Sodium atom (Na) Chlorine atom (Cl) Sodium ion (Na+) Chloride ion (Cl-) Transfer of electron Protons +11 Electrons -11 Charge 0 Protons +17 Electrons -17 Charge 0 Protons +11 Electrons -10 Charge +1 Protons +17 Electrons -18 Charge -1
2–2 Properties of Water A. The Water Molecule 1. Polarity 2. Hydrogen Bonds B. Solutions and Suspensions 1. Solutions 2. Suspensions C.Acids, Bases, and pH 1. The pH Scale 2. Acids 3. Bases 4. Buffers
pH Scale Oven cleaner Bleach Ammonia solution Increasingly Basic Soap Sea water Human blood Neutral Pure water Milk Normal rainfall Acid rain Increasingly Acidic Tomato juice Lemon juice Stomach acid
NaCI Solution Cl- Cl- Na+ Na+ Water Water
NaCI Solution Cl- Cl- Na+ Na+ Water Water
2–3 Carbon Compounds A. The Chemistry of Carbon B. Macromolecules C. Carbohydrates D. Lipids E. Nucleic Acids F. Proteins
Carbohydrates Lipids Nucleic acids Proteins Sugars and starches Fats and oils Nucleotides Amino Acids Carbon, hydrogen, oxygen Carbon, hydrogen, oxygen Carbon, hydrogen,oxygen, nitrogen, Carbon,hydrogen, oxygen, nitrogen, phosphorus Carbon Compounds include that consist of that consist of that consist of that consist of which contain which contain which contain which contain
Carbon Compounds Methane Acetylene Butadiene Benzene Isooctane
A Starch Starch Glucose
Amino Acids Amino group Carboxyl group General structure Alanine Serine
Amino Acids Amino group Carboxyl group General structure Alanine Serine
Amino Acids Amino group Carboxyl group General structure Alanine Serine
A Protein Amino acids
2–4 Chemical Reactions and Enzymes A. Chemical Reactions B. Energy in Reactions 1. Energy Changes 2. Activation Energy C.Enzymes D.Enzyme Action 1. The Enzyme-Substrate Complex 2. Regulation of Enzyme Activity
Effect of Enzymes Reaction pathway without enzyme Activation energy without enzyme Activation energy with enzyme Reactants Reaction pathway with enzyme Products
Chemical Reactions Energy-Releasing Reaction Energy-Absorbing Reaction Activation energy Products Activation energy Reactants Reactants Products
Chemical Reactions Energy-Releasing Reaction Energy-Absorbing Reaction Activation energy Products Activation energy Reactants Reactants Products
Enzyme Action Enzyme (hexokinase) Glucose Substrates ADP Products Glucose-6- phosphate ATP Products are released Active site Substrates bind to enzyme Enzyme-substrate complex Substrates are converted into products
Enzyme Action Enzyme (hexokinase) Glucose Substrates ADP Products Glucose-6- phosphate ATP Products are released Active site Substrates bind to enzyme Enzyme-substrate complex Substrates are converted into products
Enzyme Action Enzyme (hexokinase) Glucose Substrates ADP Products Glucose-6- phosphate ATP Products are released Active site Substrates bind to enzyme Enzyme-substrate complex Substrates are converted into products
Enzyme Action Enzyme (hexokinase) Glucose Substrates ADP Products Glucose-6- phosphate ATP Products are released Active site Substrates bind to enzyme Enzyme-substrate complex Substrates are converted into products
Terms to know Dehydration synthesis = forming a substance and using water (water is a product) Hydrolysis = breaking down of substance and forming of water (water is a reactant) -lysis = to break down