StudentLecture_10

StudentLecture_10 - CHM 11500 Lecture 10 Reading: Sections...

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1 CHM 11500 Lecture 10 Reading: Sections 8.1 & Table 8.2, pp. 349-351, Section 13.3, pp. 599-602
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2 Question #1 Let’s see what you know about bonds between atoms. Covalent bonds can form when… A. Electrons are transferred from one atom to another. A. Electrons are shared between two atoms. A. Electrons are shared among all the atoms in a solid metal.
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3 Question #2 Which compound contains Covalent and ionic bonds ? A. MgCl 2 Ions A. Na 2 SO 4 ions and covalent A. CH 4 covalent
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4 EtOH structure: Which of the three samples is pure ethanol ? A doesn’t conduct B C
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5 Question #5 Which of the samples is pure water? A doesn’t conduct B does conduct C doesn’t conduct-orange
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6 Understanding the Observations For conduction to occur, a moving charge is needed. What is the moving charge in the solutions that conduct? What do the demos suggest about the presence of these conducting species in pure ethanol and pure water?
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Bonding The chemical bond: the force that holds two atoms together in a compound Scientists have three general models to describe these forces: Ionic Covalent
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StudentLecture_10 - CHM 11500 Lecture 10 Reading: Sections...

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