Problem: These species do not obey the octet rule. Draw a Lewis structure for each, and state the type of octet-rule exception:(a) PF6−

FREE Expert Solution
  • A molecule that doesn't obey the octet rule may have less or more than 8 electrons on its valence shell
  • For PF6-, will appear as central atom since its less electronegative than F
  • P has 5 valence electrons while F has 7. Total v.e is 48 (5(1) + 7(6) + 1 (from negative charge) = 48)
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Problem Details

These species do not obey the octet rule. Draw a Lewis structure for each, and state the type of octet-rule exception:

(a) PF6

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Octet Rule concept. You can view video lessons to learn Octet Rule. Or if you need more Octet Rule practice, you can also practice Octet Rule practice problems.

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Based on our data, we think this problem is relevant for Professor Smaglik's class at YVCC.

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.