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An atom that is negatively charged.
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Path of electron around the nucleus of an atom.
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Process of comparing an unknown quantity with a known quantity.
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How many grams is one molecule of ethanol?
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The electron cloud is divided into 7 principal energy levels numbered n=1 to n=7 with n=1 closest to nucleus. n is called
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Agent in a redox reaction from which electrons are removed.
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Quantity that refers to the space occupied by a body.
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Name the compound.

SiF4

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Consider a molecule of ammonia. How many percent of this molecule is nitrogen?
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In a molecule of sodium sulfate, determine the percentage of sulfur in it.
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