Chemistry, 15.01.2020 17:31, taytay1828
2.2 chromium has four naturally-occurring isotopes: 4.34% of 50cr, with an atomic weight of 49.9460 amu; 83.79% of 52cr, with an atomic weight of 51.9405 amu; 9.50% of 53cr, with an atomic weight of 52.9407 amu; and 2.37% of 54cr, with an atomic weight of 53.9389 amu. on the basis of these data, confirm that the average atomic weight of cr is 51.9963 amu.
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2.2 chromium has four naturally-occurring isotopes: 4.34% of 50cr, with an atomic weight of 49.9460...
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