vocab and info
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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| proton is | positive
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| nuetron is | nuetral
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| electron is | negative
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| you find the valence electron in | the group number
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| 1A | +1
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| 2A | +2
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| 3A | +3
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| 5A | -3
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| 6A | -2
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| 7A | -1
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| ionic compound | metal and nonmetal react
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| metalic | metals react
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| chemical change | change that occurs when one or more substances change into a different substance
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| temperature | measure of hot/cold and measure of kinetic energy of the particles
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| thermal expansion | increase in size do to heat increase in the substance
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| absolute zero | temp at which molecular energy/movement is a minimum
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| precipitate | solid produced as a result of a chemical reaction
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| chemical formula | combo of chemical symbols and numbers represent substance
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| chemical equation | representation of chemical reaction using symbols to show relation between reactants and products
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| reactant | substance or molecule that participates in chemical reaction
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| product | result of chemcial reaction
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| synthesis | reaction in which two or more products yield a single product
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| synthesis also known as | composition or combonation
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| decomposition reaction | 1 reactant breaks into 2 or more products
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| combustion | 1 or more reactants combine with oxygen releasing heat or light
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| single replacement | 1 element replaces a similar element in a compound
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| single replacement also known as | displacement
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| double replacement | reaction that interchanges 2 ions from two different compounds AB+CD AD+CB
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| cation | positive charge
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| anion | negative charge
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| exothermic reaction | chemical reaction in which heat is released
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| endothermic reaction | a chemcial reaction that requires heat
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| law of conservation of energy | energy can't be created nor destroyed
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| activation energy | minimum amount of energy required to start a chemical reaction
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| inhibitor | substance that slows or stops chemical reaction
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| catalyst | substance that changes the rate of reaction w/o being used up or changing very much
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| rate of reaction | speed at which new particles form
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Created by:
numnum
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