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Chemistry, 28.07.2019 09:30 nikitakhrabkov123
An atom of fluorine has an atomic mass of 19 u. keeping in mind that its atomic number is 9, what can you infer about this atom?
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Chemistry, 21.06.2019 17:10, shafferakr6
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
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An atom of fluorine has an atomic mass of 19 u. keeping in mind that its atomic number is 9, what ca...
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