136 items matching your search terms.
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A proton is larger in size (more massive) than electron
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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All atoms of iron have 26 protons in the nucleus
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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Assign symbols often used to each subatomic particle
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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Atoms are composed of smaller parts called
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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Atoms of the same element can have different numbers of neutrons
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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Different atoms of hydrogen have one or more than one proton in the nucleus
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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Hydrogen and iron atomic numbers
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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Hydrogen deuterium and tritium
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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Individual atoms can be seen to the naked eyes
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory
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It would take millions of atoms to make a line which visible and measurable
Located in
Chemistry
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Atoms, Molecules, and Ions
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Atomic Theory