obedreyes77 obedreyes77

20-10-2022
Chemistry

contestada

8.
Isotope
Cr-50
Cr-52
Cr-53
Cr-54
fractional abundance
4.35%
83.8%
9.5%
2.35%
Average atomic mass of chromium =

$8 Isotope Cr50 Cr52 Cr53 Cr54 fractional abundance 435 838 95 235 Average atomic mass of chromium class=$

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