Chemistry, 06.10.2021 19:50 evarocks352
(a) What isotope is used as the standard in establishing the atomic mass scale? (b) The atomic weight of boron is reported as 10.81, yet no atom of boron has the mass of 10.81 amu. Explain.
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Which type of reaction always has an element and a compound as reactants
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Matches the chemical name of each oxide of phosphorus to its chemical formula
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11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Sugar is dissolved in water. which is the solute? sugar neither both water
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(a) What isotope is used as the standard in establishing the atomic mass scale? (b) The atomic weigh...
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