Review
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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| A molecule is ____________combined | Chemically
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| Pure substance made up of more than one element combined | Compound
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| Homogeneous Mixture | Salt Water
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| Heterogeneous Mixture | Concrete
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| Best mixed of all mixtures | Solution
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| Shorthand way of representing the chemical elements | Chemical Symbols
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| Solution of Metals | Alloy
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| Description of a chemical reaction using symbols and formulas | Equation
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| A solution is what type of mixture | Homogeneous Mixture
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| A Substance that contains only one type of atom | Element
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| A Substance made up of more that one kind of Molecule | Mixture
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| In sweetened tea, the sugar is called the | Solute
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| A substance that dissolves in water is | Soluble
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| The water in salt water would be the | Solvent
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| 2H2 + O2 ----- 2 H2O What's the product | Water
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| You increase solubility by increasing | Temp
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| Smallest piece of matter was named "atom" by who | Democritus / Greek
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| Whose model claimed matter is made of atoms, atoms of the same element are alike, atoms of different compounds are not alike | Dalton's Model
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| Who discovered the Electron | Thomson
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| Who was the first to discover the atom | Greek / Democritus
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| Where did Bohr's model place electrons | on orbits around the nucleus
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| The modern atomic model or present day theory is called | Wave Mechanics
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| Positively Charges particle in the nucleus of an atom | Proton
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| Number of protons in the nucleus of an atom is called the | Atomic Number
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| Sum of protons and neutrons | Atomic Mass
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| All neutrons are electrically | Neutral
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| The nucleus of an atom contains | Protons and Neutrons
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