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30 Cards in this Set
- Front
- Back
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1 cm3
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1 mL
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Physical
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Changes state; identity stays same. H20: Ice-Liquid-Gas.
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Chemical
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Identity changes;
2H2 + 02 -> 2H20 |
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Compound
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2+ atoms, different types, in a fixed ratio.
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Cation
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Metal; Give up e- = +
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Anion
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Non-metal; Accept e- = -
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Mega
Mu Nano |
Mega=10x6
Mu=10x-6 Nano=10x-9 |
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Acids
V Base |
Give up h+ in water
v Give oh- in water |
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Single(diatomic) Atoms
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He,Ne,Ar,Kr,Xe,Rn
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Periodic Groups
1A-8A |
1A: Alkali & 2A;Alkine Earth
3-6A: Top Chemical 7A:Halogen 8A: Noble |
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Isotopes
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Differ in mass due to # of neutrons
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aX
z |
A=Atomic Mass/P+N
Z=# of Protons X=Chemical Symbol |
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Electron
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Defines chemical+physical properties
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Diatomic Elements
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H2,N2,02.F2,Cl2,Br2,I2
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Proton
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Change # of protons=New element
Identifies element |
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Covalent
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Non+Non
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Allotropes
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Naturally occurring elements in different forms
Ex.Diamond |
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Mixtures
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2+ pure substances
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Elements
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Cannot be broken down by chemical means
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Solute
V Solvent |
Less: Homo:Unsaturated
v More: Hetero:Saturated |
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Gas Solubility
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Becomes more soluble with increasing pressure;homogenous
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Solid Solubility
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Mostly Heterogeneous
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Like dissolves like
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non with non etc; water&ionic compounds are all polar.
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s-1
nm |
Larger=More energy
Smaller=More Energy |
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Core
v Valence |
non-reactive have e of noble
v reactive come after noble gas |
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Covalent Compounds
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Atom Left comes first
2nd Atom=-ide Use prefix: mono, di, tri |
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Polyatomic
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Acetate:c2h5o2
Hypo=Least/Per=Most + Chromate,Phosphate,S=4 |
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Significant Numbers
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All-non Zeros
Zeros in-between 1[0]1 Zeros After decimal .1[0] Zeros that follow berfore 7[0].1 |
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Formal Charge
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VE-Lone Pair-Bonds
Oxygen:6-4-2=0 Hydrogen:1-0-1=0 |
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Reduction
v oxidation |
Gain e
v Lose e |
