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21 Cards in this Set
- Front
- Back
Unit 6 |
ch 9 |
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How many lone pairs of electrons are on the As atom in AsCl3?
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1 |
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In the best Lewis structure for NO +, what is the formal charge on the N atom?
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0 |
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Which of the following processes are endothermic?
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the reaction associated with the ionization energy of potassium.
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Use the bond energies provided to estimate ΔH°rxn for the reaction below. |
-128 kJ |
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Use Lewis theory to determine the chemical formula for the compound formed between Al and O.
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Al2O3 |
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Which of the following reactions is associated with the lattice energy of CaS (ΔH°latt)?
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Ca2(g) + S2(g) → CaS(s) |
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Place the following in order of decreasing magnitude of lattice energy. |
NaF > KCl > RbBr |
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Choose the compound below that should have the highest melting point according to the ionic bonding model.
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AlN |
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Give the complete electronic configuration for S2-.
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1s22s22p63s23p6
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Identify the compound with metallic bonding.
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Li |
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Identify the shortest bond.
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triple covalent bond
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Place the following elements in order of increasing electronegativity. |
Sr < Na < N |
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Which molecule or compound below contains a pure covalent bond?
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Cl2 |
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Choose the best Lewis structure for BeF2.
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|
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Give the number of valence electrons for ICl5.
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42 |
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Choose the best Lewis structure for SO42.
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|
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Draw the Lewis structure for CO32- including any valid resonance structures. Which of the following statements is TRUE?
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The CO32- ion contains two C-O single bonds and one C=O double bond.
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Draw the best Lewis structure for the free radical, NO2. What is the formal charge on the N?
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+1 |
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Which compound has the highest carbon-carbon bond strength?
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HCCH |
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Place the following in order of increasing bond length. |
NO < NO2 < NO3
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