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lolz

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
S Orbital   Sphere; 1 Orbital  
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P Orbital   Dumbbell; 3 Orbitals  
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Solid   Fixed Volume; Fixed Shape  
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Liquid   Fixed Volume; Takes on Shape of Container  
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Gas   No Fixed Shape or Volume  
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Solid to a Gas   Sublimation  
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Gas to a Solid   Deposition  
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Atoms are made of....   Protons, Neutrons, & Electrons  
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Elements are made of...   Atoms  
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Compounds (Molecules) are made from...   Elements (In a fixed ratio) (Chemically Bound)  
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Mixtures are made from...   Combinations of elements and/or compounds (Not Chemically Bound or Fixed Ratio)  
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Homogeneous Mixtures   All Particles are Uniform and Mixed Thoroughly. (Salt water)  
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Heterogeneous Mixtures   Particles are nonuniform; Can be separated physically. (Pizza, Chicken Noodle Soup)  
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Elements   Can't be broken down; Made up of 1 type of atom.  
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Compounds (includes molecules)   2 or more different elements combined (always fixed ratio)  
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Atomic Mass   Protons + Neutrons; Weighted Avg of All Isotopes  
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Physical Change   Does not change chemical composition (Melting, Hammering)  
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Chemical Change   Rearrangement of Atoms; Changes chemical composition (Fireworks)  
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Law of Conservation of Matter   Total mass is same during chemical reaction.  
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Produced 1st Periodic Table   Mendeleev (Arranged by mass instead of atomic #)  
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John Dalton   Atomic Theory & Law of Multiple Proportions  
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Law of Multiple Proportions   Elements combine in more than one ratio.  
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J.J. Thomson   Discovered electrons and its charge:mass ratio with Crookes Tube.  
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Robert Milikan   Discovers charge on electron with oil drop experiment.  
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Ernest Rutherford   Gold Foil Experiment.  
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James Chadwick   Discovers neutron by bombarding beryllium with alpha particles.  
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Isotope   Atoms with same atomic # but different mass numbers (Different # of neutrons)  
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Negatively charged atom   Anion  
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Positively charged atom   Cation  
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Aufbau Principle   Electrons fill energy positions from lowest to highest.  
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Hund's Rule   Electrons fill orbitals singly before pairing.  
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Atomic Radius   Distance from nucleus to outer electron cloud region.  
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Electron charge _____ as we move to the right of periodic table.   Decrease  
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Electrons charge _____ as you go down on the periodic table.   Increases  
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Valence Electrons   Outermost energy electrons; Involved in chemical reactions; Responsible for chemical nature of element.  
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Ionization Energy _____ across the periodic table.   Increases  
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Ionization Energy ______ down the periodic table.   Decreases  
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Metals have _____ electron affinity.   Low (They lose electrons)  
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Nonmetals have _____ electron affinities.   High (They gain electrons)  
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Isoelectronic   Same # of electrons  
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Anion (-) is always (bigger/smaller) than its parent atom.   Bigger (More electrons)  
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Cation (+) is always (bigger/smaller) than its parent atom.   Smaller (More protons than electrons)  
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Properties of Metal   High density, high melting point, conducts heat & electricity.  
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D Orbital   5 Orbitals  
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F Orbital   7 Orbitals  
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