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An element's ____ is the number of its protons plus neutrons.
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atomic mass
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An element's ____ is the number of its protons.
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atomic number
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During a phase change, the ____ of the substance is constant.
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charge
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Most chemical reactions release or absorb ____.
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density
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The ____ of water is about one gram per cubic centimeter.
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gram
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One cubic centimeter of water at 4°C has a mass of one ____.
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heat
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The average ____ for carbon (including isotopes) is 12.01 amu.
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mass number
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A salt contains anions and cations, but has no net ____.
|
temperature
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