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Chemistry, 21.06.2019 22:00
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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What happens to the temperature of a substance when the average kinetic energy of its particles increases?
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Chemistry, 23.06.2019 00:00
#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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“Aqueous sodium chloride reacts with aqueous silver nitrate to
produce solid silver chloride and aq...
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