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37 Cards in this Set
- Front
- Back
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Catalyst
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Something that speeds up/starts a reaction betwen two materials ex. enzyme
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Conservation of mass
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When a reaction happens between two substances the product will be of the same mass as the two reactants
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Open System vs closed
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a closed system is a system that is completly shut off from the outside enviroment not allowing any subastances to enter or exit while an open system will let substances enter and exit freely
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Exothermic reaction
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A reaction in which some form of energy is realised
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Endothermic reaction
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A reaction in which energy is consumed
ex. icepack |
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Chemical Reaction
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When two or more substances are mixed together to form a product with different qualities
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Reactant
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One of the initial two substances used in a reaction
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Product
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The substance left after a chemical reaction has occured
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Ion
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An atom with an imbalanced charge
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Ionic compound
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When two ionic atoms join together
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Alkali Metals
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The left most column on the periodic table with similar characteristics
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Noble Gases
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The right most column of the periodic table consisting of gases with full valence shells
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Protons
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Protons are in the nucleus of an atom and are positively charged
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Electron
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the negatively charged part of an atom
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Electron shells
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The different distances from the nucleus of the atom that the electrons are placed are considered to be different shells
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Atomic Mass
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The mass of an atom with each proton and nuetron equalling one of the unit that the mass is measured in
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Atomic number
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The number of protons and electrons that an atom has
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Nucleus
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The center of the atom that contains the protons and nuetrons
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Nuetrons
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Nuetral charged particles in the nucleus of an atom
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Melting
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The changing of state from solid to liquid
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Condensation
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The change of state from gas to liquid
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Sublimation
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The change of state from solid to gas
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Desposition
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The change of state from gas to solid
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Freezing
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change of state from liquid to solid
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Evaporation
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change of state from liquid to gas
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States of matter
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There are four states of matter solid, liquid, gas and plasma each with increasing energy
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Periods
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Horizontal lines of the periodic table
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Families/groups
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Columns of the periodic table
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Halogens
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Column 17 of the periodic table
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Alkaline earth metals
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Column 2 of the periodic table
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Molecular compound
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A compound made between two gases
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Alchemy
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The old proffesion of turning certain substances into more valuable ones
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Atom
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The smallest part of an element containing protons electrons and nuetrons
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Periodic table
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A way of organizing the elements created by Dmitri Mendeleev
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Compound
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Two or more elements bonded together
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Mechanical Mixture
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A mixture in which the substances involved are easily seen
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WHMIS
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Workplace Hazardous Material Information Sheet
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