Study of atoms
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Nucleus
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What is the center of an atom called?
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Protons & neutrons
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Which particles are located in the nucleus?
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The about of protons
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What determines what element an atom will be?
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How many protons are in the nucleus
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What does the atomic number of an atom tell you?
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In the top right corner or center
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Where can you find the atomic number of an atom?
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Electrons
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Which of the three particles is the smallest?
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Because they are constantly moving and don't have a specific path
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Why do atoms appear to have a fuzzy edge?
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Electrons
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Which atomic particle is responsible for chemical reactions?
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Electron cloud
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The area in which an electron orbits around the neutron
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Uranium
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Which element has the biggest atoms?
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...
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Atoms have no overall electric charge
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...
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There must be a balance between the electrons and protons
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Positive, heavy, in the nucleus and is important because it balances the electrons and determines what the element is
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Proton
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Negative, virtually zero mass, located in the electron cloud, important for chemical changes
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Electron
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Charge is neutral, heavy, in the nucleus, important for isotopes and holds the atom together
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Neutron
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A substance in which there is only one type of particle
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Pure substance
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Shiny, good conductors of heat, ductile and malleable
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Metals
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Nonmalleable, not shiny, poor conductors of heat
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Nonmetals
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Semi-conductors of heat, has properties of metals and nonmetals, some are shiny, some are dull, somewhat malleable and ductile, some conduct heat well
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Metallica
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They can be identified by their symbol, name and atomic mass
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How can elements be identified?
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7
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The maximum amount of electron shells an atom can have?
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18
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The maximum amount of electrons found in an elements putter shell?
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Protons
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Has a positive charge
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Nucleus
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The center of an atom
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Strong force
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Holds the nucleus together
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Electrons
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Has a negative charge
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Molecule
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Two or more atoms
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Neutrons
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Has no charge
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Atoms
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Greek for indivisible
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Element
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Found on the periodic table
