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Clicker #1

Clicker #1. Which of the following supports why Lewis structures are not a completely accurate way to draw molecules? A) The Lewis structure for O 2 shows all electrons as paired but when liquid O 2 is poured onto a magnet, it behaves as a molecule with an unpaired electron.

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Clicker #1

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  1. Clicker #1 Which of the following supports why Lewis structures are not a completely accurate way to draw molecules? A) The Lewis structure for O2 shows all electrons as paired but when liquid O2 is poured onto a magnet, it behaves as a molecule with an unpaired electron. B) There are sometimes multiple valid Lewis structures for a single chemical species. C) When adding up the number of valence electrons for a molecule (such as nitrogen monoxide), it is possible to get an odd number which would make it impossible to satisfy the octet rule for all atoms. D) All of the above statements support why Lewis structures are not a completely accurate way to draw molecules. E) Lewis structures are the most accurate way to draw molecules and are completely correct.

  2. Clicker #2 Does H2O have an overall net dipole moment (is it polar overall)? A) Yes, the electrons are found more towards oxygen. B) Yes, the electrons are found more towards the hydrogens. C) No, the electron distribution is symmetrical around the central atom.

  3. Clicker #3 Does PCl5 have an overall net dipole moment (is it polar overall)? A) Yes, the electrons are found more towards phosphorus. B) Yes, the electrons are found more towards the chlorines. C) No, the electron distribution is symmetrical around the central atom.

  4. Clicker #4 Does IBr2– have an overall net dipole moment (is it polar overall)? A) Yes, the electrons are found more towards the central bromine atom. B) Yes, the electrons are found more towards the outer bromine atoms. C) No, the electron distribution is symmetrical around the central atom.

  5. Clicker #5 Does XeCl4 have an overall net dipole moment (is it polar overall)? A) Yes, the electrons are found more towards xenon. B) Yes, the electrons are found more towards the chlorines. C) No, the electron distribution is symmetrical around the central atom.

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