spring 2015
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Scientific Notation | only one number to the left of decimal
move decimal left = positive exponent
move decimal right = negative exponent
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| Sig figs | non zeroes and trapped zeroes are ALWAYS significant
trailing zeroes are ONLY important if there is a decimal
leading zeroes are NEVER significant even if there's a decimal
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| SI unit for temperature | Kelvin
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| SI inti for time | second
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| SI unit for mass | kilogram
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| SI unit for length | meter
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| SI unit for electricity | Ampere
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| SI unit for amount | mole
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| Matter | anything that occupies space and has mass (solid, liquid, gas)
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| Physical Properties | properties that can be observed and measured without changing the chemical makeup of a substance (exp: weight, odor, color, density, melting point, boiling point)
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| Chemical Properties | Any quality that can be established by changing a chemical's makeup (exp: reactivity, combustibility, oxidation state, pH)
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| Atoms | The building blocks of matter, the smallest particle possessing the properties of an element
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| Element | Matter made from only one type of atom
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| compound | Matter made of 2 or more different types of atoms linked toegther
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| Molecule | Smallest part of a substance still retaining the properties of that substance
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| H | Hydrogen
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| He | Helium
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| Li | Lithium
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| Be | Beryllium
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| B | Boron
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| C | Carbon
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| N | Nitrogen
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| O | Oxygen
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| F | Fluorine
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| Ne | Neon
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| Na | Sodium
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| Mg | Magnesium
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| Al | Aluminum
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| Si | Silicon
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| P | Phosphorus
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| S | Sulfur
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| Cl | Chlorine
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| Ar | Argon
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| K | Potassium
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| Ca | Calcium
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| Sc | Scandium
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| Ti | Titanium
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| V | Vanadium
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| Cr | Chromium
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| Mn | Manganese
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| Fe | Iron
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| Co | Cobalt
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| Ni | Nickel
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| Cu | copper
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| Zn | Zinc
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| Ga | Gallium
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| Ge | Germanium
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| As | Arsenic
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| Se | Selenium
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| Br | Bromine
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| Kr | Krypton
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| Hg | Mercury
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| Au | Gold
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| Ag | Silver
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| Pb | lead
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| Xe | Xenon
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| Rn | radon
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| Sn | tin
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| Chemical Reactions | breaking and reforming of chemical bonds causing atoms to be arranged into new substances
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| Reactants | the starting materials in a reaction (left of arrow)
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| Products | the materials produced in a reaction (right of arrow)
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| proton | positively charged subatomic particle found in a cell's nucleus
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| electron | negatively charged subatomic particle found in a cell's electron cloud
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| neutron | subatomic particle with no charge found in the nucleus
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| Ions | Any atom or group of atoms with an electric charge
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| Cation | Positively charged Ion
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| Anion | Negatively charged Ion (suffix '-ide')
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| Polyatomic Ion | an ion (positively or negatively charged atom) consisting of a group of bonded atom
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| Mole | Avogadro's number= 6.02 x 10^23
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| redox | the transfer of electrons that happens during a chemical equation
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| KMT | constant random motion
straight line motion
negligible volume
no forces of attraction
elastic collisions
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| Molar Rodmap | all roads lead to the mole
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| Striker | metal and flint instrument used to light things by emitting sparks
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| Atmosphere (layers from earth) | Troposphere,stratosphere, mesosphere, thermosphere, exosphere
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| concentration | the amount of solute per unit volume of solution
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| Bunsen burner | a small adjustable gas burner using gas
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| truncate | to cut off
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| theoretical yield | the amount predicted by a stoichiometric calculation based on the number of moles of all reactants present.
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| yield | product of a reaction
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| percent yield | the actual yield/theoretical yield x 100. actual yield. The amount of product actually obtained in a chemical reaction
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| porous | having minute spaces or holes through which liquid or air may pass
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| residue | a small amount of something that remains after the main part has gone or been taken or used
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| desiccate | remove the moisture from (something, especially food), typically in order to preserve it
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| buffer solutions | solution with either a weak acid and a base or a weak base and an acid
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| Acid | Any substance that generates or increases the concentration of Hydrogen (H+) ions in an aqueous solution
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| ,Base | Any substance that produces or increases the concentration of hydroxide (OH-) ions in an aqueous solution.
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Created by:
aussit123
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