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12 Cards in this Set
- Front
- Back
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How do valence e participate in covalent bond formation? |
Determines # of protons which equals number of electrons, which can be shared |
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How do you predict how many bonds an element can form? |
Which row in periodic table |
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2 strong bonds? How are they broken? |
Covalent & polar covalent. Broken by catalyst |
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Are electron sharing or charge attraction stronger? |
Electron sharing |
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List 3 weak bonds from strongest to weakest. How are they broken? |
Ionic bond, hydrogen, van der waals. Spontaneous breaking |
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What is an ionic bond? |
Loss & gain of electrons |
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What is a hydrogen bond? |
H bond with N or O |
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What is van der waals? |
Temporary induced dipole |
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Why do dynamic living systems depend on weak bond interactions? |
Weak bonds are required to hold two molecules together, it’s how they fit together in a cell |
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How does h bonding influence heat capacity? |
High heat capacity, allows evaporative cooling |
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How does h bonding affect cohesion |
How molecules stick together |
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What is amphipathic? |
An organism that has both hydrophilic and hydrophobic ends and forms a micelle |
