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35 Cards in this Set
- Front
- Back
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order of SI prefixes (pneumonic device) |
Kittens Have Dark Babies Drinking Chocolate Milk Kilo Hecto Deco Babe Deci Centi Milli |
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1 ml = _______ |
1 cm^3 |
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area of circle |
Pi r^2 |
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circumference of circle |
2Pi r |
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sphere volume |
4/3 pi r^3 |
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cylinder volume |
Pi r^2 h |
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concentration = |
mass of dissolved/ total volume |
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cube volume = |
s^3 so s= cubed root of v |
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which elements come first in chem equation |
elements on the left or if in same group the lower one |
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H goes ______ all elements EXCEPT groups ___ & ____ |
H goes AFTER all except groups 16 and 17 (if its ONLY H+ element in 16 or 17 then H is 1st) |
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group 1 name |
alkali metals |
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group 2 name |
alkaline earth metals |
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group 16 |
chalogens |
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group 17 |
halogens |
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group 18 |
nobel gases/inert gases |
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main group |
everything but the transition metals |
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only metal that is not solid in natural state |
mercury Hg - liquid |
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non metals are all written as _________ except for ________ and _________ |
written as simple solids except for nobel gases and diatomic nonmetals ( and phosphorous and sulfur) |
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diatomic nonmetals standard states mostly _______ except ____ |
mostly gases iodine = solid bromine = liquid |
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diatomic non-metals |
must be bonded together in natural state forms 7 on p-table from nitrogen to iodine N2, O2, F2, Cl2, Br2, I2, H2 carbon and boron = solid |
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cations |
positive ions |
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anions |
negative ions |
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oxoanion |
polyatomic ion made from a central atom bonded to one or more atoms of oxygen have -ate at the end (most common occuring one) |
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element |
type of matter that cant be broken down into 2 or more pure substances 118 91 occur naturally |
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law of conservation of mass |
in every chemical reaction the same amount of matter exists before and after the reaction total mass stays constant |
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law of constant composition |
the proportions by mass of the elements in a compound are FIXED |
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atomic mass (mass number) |
protons + neutrons |
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covalent bonds |
2 non metals also called molecular used prefixes |
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ionic bonds |
positive and negative ion between metal and nonmetal |
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molecular formula |
ACTUAL number of each atoma |
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aqueous solutions |
conduct electricity called electrolytes |
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solvent |
water |
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molarity equation |
molarity = mols of solute/Liters of soution |
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reactant |
starting substance(s) |
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product |
substance(s) results from a reaction |
