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Chapter 2 - Chemistry

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Across
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Pure substance that cannot be broken down chemically into simpler forms
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2 hydrogen and 1 oxygen atom
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Area where electrons orbit
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Number of protons and neutron in the nucleus of an atom
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Particle of an atom with No charge
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A compound that has an uneven distribution of electrons between atoms
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Pure substance made up of atoms with 2 or more types
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Occurs when atoms have unfilled energy levels
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Bonds that transfer electrons
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The attraction of like substance
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Where atoms bond
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The charge of an atom that has lost an electron
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The quantity of matter an object has.
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Positively charged particle of an atom
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Anything that has mass and takes up space
Down
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Negatively charged particle of an atom
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The attraction of un-like substances
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The force that moves water up roots to stems and leaves.
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Total number of protons in the atom
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This atom has a slight positive charge in the make up of a water molecule
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The charge of an atom that has gained an electron
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Bonds that share electrons
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This atom has a slight negative charge in the make up of a water molecule
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Middle portion of the atom
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Simplest particle of an element
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An element that does not contain the original number of neutrons