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Atoms Vocabulary

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Across
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a particle with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
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each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons
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a negatively charged ion
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each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
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particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
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he number of protons in the nucleus of an atom,
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a subatomic particle of about the same mass as a proton but without an electric charge,
Down
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each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons
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an SI unit in chemistry
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the total number of protons and neutrons in a nucleus.
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an outer shell electron that is associated with an atom
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each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
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each of the actual or potential patterns of electron density that may be formed in an atom or molecule by one or more electrons
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an SI unit in chemistry
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A photon carries energy proportional to the radiation frequency but has zero rest mass.
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the positively charged central core of an atom, consisting of protons and neutrons