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Chemistry Test1

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Across
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Technique used to separate liquids based on their boiling points
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Energy of motion
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Elements that do not exist alone in nature
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The subatomic particle with a + charge
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Kilogram is the SI unit of ___
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Atomic symbol for aluminum
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Temp scale of scientists
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Change that will form a precipitate
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Chemist that studies carbon containing compounds
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Name for element with symbol Au
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Atoms with differing amounts of neutrons
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John Dalton formulated the ____ theory of matter
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A reference to the ration of an object's mass per unit of volume
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SI unit of length
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Element with a +/- charge
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How close a measurement is to the actual value
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Name for element with symbol Ca
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Protons and neutrons make up the ___ of the atom
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Repeatability of a measurement
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Amount of space matter takes up
Down
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A rise in temperature will result in an ____ in kinetic energy
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Atomic symbol for Iron
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The particles that an atom is composed are referenced as____
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Discovered the nucleus with gold-foil experiment
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___ number that tells us how many protons are in an atom of a particular element
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Prefix for 1 million
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Used to express large or small numbers
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An electron is the subatomic particle with a ____ charge
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Atomic symbol for silver
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Tiniest particles that every living substance is composed of
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Electrons ___ the nucleus of an atom
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Homogenous part of a system that is in contact with yet physically distinct from the other parts of the system
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Represented by the greek letter rho
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Group of 2+ atoms linked by chemical bonds
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Properties that reference a substance's physical appearance
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Set of symbols used to identify a substance
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Gravitational force on an object's mass
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Atomic symbol for sodium
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An atom that has lost electrons
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Prefix for 1 millionth