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Cards In This Set
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What is an example of a ionic and covalent bond?
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NaCl is Ionic and H2O is covalent. Ionic is metal and non-metal generally, and covalent is 2 non-metals.
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What is the lewis theory of bonding?
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1) atoms and ions are stable if they have full valence shell of electrons
2) electrons are most stable when paired 3) atoms form chemical bonds to achieve a full valence shell of electrons 4) full valence shell of electrons can be done by sharing or transferring of electrons 5) sharing of electrons results in a covalent bond |
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Draw the lewis structure, vsepr, and orbital diagram for HCN
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What is coordinate covalent bonding?
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When one atoms donates 2 electrons in the bonding, not 1
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What does the vsepr theory say?
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(Valence Shell electron-pair Repulsion) theory states that you can determine the shape of an atom by minimizing the repulsive force between electron pairs and helps to determine the arrange of electron pairs
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What is electron pair repulsion?
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Bonded and lone pair electrons position themselves as far apart as possible in a molecule to minimize the repulsive force between them
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How to determine whether the bond is polar?
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EN <1.7
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How to determine whether the bond is non-polar?
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EN = 0
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How to determine whether the bond is ionic
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EN < 1.7
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How do you whether molecular is polar or non polar
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Add the vectors up, if there is a resultant, then the molecule is polar, if there isn't then the molecule is non- polar. If it is symmetrical then it is non-polar, vice versa.
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What is the valence bond theory?
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A covalent bond forms when 2 atomic orbitals overlap each other with an unpaired electrons- taking existing orbitals overlapping them to new molecular orbitals
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What are hybrid orbitals?
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They are formed when combining two different shaped orbitals, in a process called hybridization.
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What are sigma bonds?
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Sigma bonds are bonds that are head to head. Hybrid bonds can only form sigma bonds. They are single covalent bonds.
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What are pi-bonds?
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These orbitals overlap side by side which only occur in p-orbitals.
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What is the difference between intermolecular and intramolecular
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 Intermolecular is between molecules and intramolecular is within molecules. |
