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1-15 notes - 1/15 Moodle Assignment • Quiz 1 available...

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Unformatted text preview: 1/15 Moodle Assignment • Quiz 1 available until 9am Tuesday • Can do as many times as you want Review Session Monday • 5:30 A101 Life Sciences Annex Clicker: Ectotherms : bone fish, crabs, shrimp, cats, dogs Clicker: Endotherms : penguins, humans, crabs, tuna, great white shark Clicker: Halophiles “love”: high [salt] Clicker: Gold has an atomic number of 79 and an atomic mass 197, How many protons does it have? 79 How many electrons : 79 Neutrons : 197-79 What determines the number and type of chemical bonds? • Number = Valence • Type = Electronegativity (number of protons in the nucleus, how strongly the nucleus attracts electrons Electronegativity • Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons • Measure of the attraction an atom has for electrons Chemical Bonds • Forces holding atoms together in molecules • Characterized as a Strong or Weak depending on the energy required to make/break the bond • Strong Covalent bonds involve sharing of electrons • Weak Non-covalent bonds 1/15...
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1-15 notes - 1/15 Moodle Assignment • Quiz 1 available...

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