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Chemistry II Final Review: Ms. Stafford


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

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