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45 Cards in this Set
- Front
- Back
Define: ground state
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state where all e- are in lowest possible energy level
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Define: cation
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Positive ion
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Define: anion
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Negative ion
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Define: ionic bond
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Bond between anion and cation
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What holds ionic bonds together?
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Electrostatic force
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Define: isotope
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atoms with same number of protons (same element), but a different number of neutrons; different masses
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Define: Atomic mass
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Weighted average of masses of different masses of isotopes
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Aufbau's rule
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Fill from lowest principal energy level, out
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Pauli's rule
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if e- must be paired up, they must have opposite spins
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Hund's rule
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seperate e- before you pair them up
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Valence electrons
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electrons in outermost s and p orbitals
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How many e- go in an orbital?
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2 e-
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What is the order of e- filling?
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1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d...
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What is a MOLE (Avogadro's #)?
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Standard unit for counting pieces; 6.022e23
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What composes a molecule?
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Multiple anions
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Define: formula unit
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smallest piece of an ionic compound
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What is STP? What's so special about it (constant)?
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0'c, 1 atmospheric pressure; 22.4 moles of gas/ L
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Formula for % Composition
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(Mass of substance/total mass)*100%
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What is the relationship between temp. and volume?
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As temp increases, so does volume.
As temp drcreases, so does volume. |
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What is the relationship between pressure and volume?
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As pressure increases, volume decreases.
As pressure drcreases, volume increases. |
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What is name of N2O?
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Nitrous oxide
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What are 7 diatomic gases?
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H2, N2, O2, F2, Cl2, Br2, I2
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What is a salt?
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Ionic cmpd
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What is the normal charge on an ionic cmpd?
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0
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Name this acid: HNO2
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Nitrous acid
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Name the acid: HClO3
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Chloric acid
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Name the acid: HBr
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Hydrobromic acid
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Name the cmpd: NaF
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Sodium fluoride
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Name the cmpd: KOH
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Potassium hydroxide
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Name the compound: Li2CO3
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Lithium carbonate
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Name the cmpd: PbF4
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Plumbic flouride
Lead (IV) fluoride |
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Name the cmpd: SnCl2
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Stannous chloride
Tin (II) chloride |
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Name this: XeCl4
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Xenon tetrafluoride
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Name this: N2O3
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dinitrogen trioxide
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Name this: CO
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carbon monoxide
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Prefix for 5 is:
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penta-
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prefix for 6 is:
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hexa-
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prefix for 7 is:
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hepta-
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prefix for 8 is:
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octa-
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prefix for 9 is:
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nona-
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prefix for 10 is:
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deca-
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Define catalyst
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something that is supplied to the reaction which is not a reactant or a product
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Balance:
NpF3+Si==>NpSi2+SiF4 |
4NpF3+11Si==>4NpSi2+3SiF4
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Does it go? Why?
Na+Cl==>NaCl |
Yes; noble gas configuration
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Synthesis is:
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metal+nonmetal==>ionic
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