practice_questions

practice_questions - CHEMISTRY FOR BIO 311C Practice...

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Practice Problems www.utexas.edu/student/utlc 1) Compared to 31 P, the radioactive isotope 32 P has: 2) The mass number of an element can be determined by adding: 3) When atoms gain or lose electrons, they are known as: 4) The atomic number of an element is equal to the number of: 5) Describe two isotopes of the carbon atom. Be sure to use the terms protons, neutrons, electrons, atomic number, atomic mass number, and atomic weight. 6) Use the Carbon atom and describe its shells (energy levels), orbitals and electrons. 7) Use the Oxygen atom and describe its shells (energy levels), orbitals and electrons. 8) What is more likely to become a cation: Na or Cl? Why? Be sure to use the terms: ionization energy and electron affinity. 9) What is more likely to be electronegative: H or O? Why? What does this mean for the water molecule (H 2 O)? 10) How many covalent bonds do each of the elements listed below normally form? carbon, hydrogen, oxygen, sulfur, nitrogen, phosphorus
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practice_questions - CHEMISTRY FOR BIO 311C Practice...

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