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An element is a pure substance in which there are how many kinds of atoms?
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Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table
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What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride
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#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
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Which diagram represents the phase tha occurs after a solid melts?
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An element is a pure substance in which there are how many kinds of atoms?...
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