Review Session 1

Review Session 1 - Review Session 1 ZOO161 Test yourself...

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Review Session 1 ZOO161: January 23, 2013 Test yourself: matter, element, atom, atomic mass, subatomic particles (protons, neutrons, electrons), isotopes, ions, compounds, chemical bonds (ionic, covalent, hydrogen), free radicals, properties of water, hydrophilic, hydrophobic, acid, bases, pH scale, buffer, carbohydrates, properties of water, dehydration & hydrolysis reaction 1. Ions are a. atoms of an element that have different number of protons. b. atoms of an element that have different number of neutrons. c. atoms that have a charge. 2. Atomic number tells the a. number of electrons in the atom. b. number of protons in the atom. c. number of neutrons in the atom 3. Isotopes differ in _________, not ____________. a. volume, atomic mass b. density, atomic weight c. mass, atomic number 4. Ho w many protons, neutrons, and electrons are in Silicon? 5. How many valence electrons does Silicon have? How many single elements can Silicon covalently bond with to become stable? (The bonds do not have to be favorable or realistic, just hypothetical.) 6. How many single elements can Magnesium form an ionic bond with? (Again, be
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