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Unit 1 Ch.3 H 2 O & the fitness of the Environment. Presented by Mrs. Knopke Fullerton Science Dept
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CP PHYSICS MS. MORRISON Spring 2011 Midterm Review Answers
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6/27/2015 Role of Water. 6/27/2015 Water is the base of life Life on earth probably evolved in water Living cells are 70-95% H2O Water covers about ¾
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Atomic Theory Atoms are incredibly small! What we know about them is based on indirect evidence
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1. Water is able to form hydrogen bonds because 1.oxygen has a valence of 2. 2.the water molecule is shaped like a tetrahedron. 3.the bonds that hold together
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Chemistry and Life
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Chemistry and Life. The Periodic Table Atomic Number: Number of Protons and Electrons Atomic mass: Mass relative to Carbon-12
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Chapter 2 Atoms, molecules, and ions 1 The Atomic Theory History The Structure of the Atom Proton, Neutron, Electron Atomic Number, Mass Number Isotopes
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