P e a r s o n : M a t t e r a n d t h e E n v i r o n m e n t

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1 Quizlet P e a r s o n : M a t t e r a n d t h e E n v i r o n m e n t Study online at quizlet. com/_atb84 a t o m carbonhydrates compound element hydrocarbon lipids macromolecules m a t t e r molecule B a s i c u n i t o f m a t t e r polymers made up of carbon, hydrogen, and oxygen atoms A substance made up of atoms of two or more different elements joined by chemical bonds chemical substance with a given set of properties that cannot be broken down into substances with other properties organic compounds containing only hydrogen and carbon biochemicals that do not dissolve in water (fats, oils, and waxes) make up cell membranes, store energy four main classes of large biological molecules (carbohydrates, lipids, proteins, nucleic acids) that which has mass and occupies space two or more atoms held together by covalent bonds n u c l e i c nucleus ph proteins solution w a t e r a c i d s complex macromolecules that store and transmit genetic information central core of an atom that contains protons and neutrons a value that indicated the acidity or alkalinity of a solution on a scale of 0-14, based on the proportion of H+ ions. polymers essential to life containing carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur Mixture of two or more substances in which the molecules of the substances are evenly distributed a unique compound with several imusual properties that make it necessary for the life of most animals and plants w a t e r c o h e s i o n w a t e r d e n s i t y water heat capacity w a t e r m o l e c u l e w a t e r u n i v e r s a l solvent tendency of water molecules to cling together liquid form is denser than solid form large amoimts of energy are needed to raise its temperature a covalent bond of oxygen and hydrogen where the oxygen end has a negative charge and the hydrogen end has a positive charge can dissolve more substances than any other substance

2 Chapter 3: Earth's Environmental Systems- Reading Expository TEXT Page and What is central to many solutions to environmental problems? PAGE# 64 PARAGRAPH# What is the role of bacteria and fungi during an oil spill? What is bioremediation? What are atoms?

3 Where is the nucleus located? P A G E # 6 5 P A R A G R A P H # What Is included in the nucleus? P A G E # P A R A G R A P H f t What charge do protons have? What charge do neutrons have? P A G E # P A R A G R A P H f t What is the atomic number? Where are the electrons located? What charge do electrons have?

4 What Is chemical bonding? What is a covalent bond? PAGE# PARAGRAPH# What is a polar covalent bond? List one example PAGE# PARAGRAPH# What is an ionic bond? List an example. Sketch and Label the carbon atom in FIGURE 1. PAGE# PARAGRAPH# What is a molecule? PAGE# 66 PARAGRAPH# What is a compound? 3

5 What is an organic compound? What is an inorganic compound? What is a hydrocarbon? List examples. P A G E # P A R A G R A P H t t What makes PAH hydrocarbons hazardous to the environment? W h a t i s a m i x t u r e? # 6 7 P A R A G R A P H # What is a solution? List an example. What is a macromolecule? List the 4 main examples.

6 What is a polymer? List 3 examples. What is a protein? What are the roles of proteins? What are nucleic Acids? P A G E # 6 8 P A R A G R A P H # W h a t i s D N A? W h a t i s R N A? What are genes? 5

7 What are carbohydrates? List an example PAGE# PARAGRAPH# What is the role of the carbohydrate glucose? What is a lipid? List 3 examples. P A G E i t 6 9 P A R A G R A P H i t

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