Chemistry, 13.02.2020 19:52 carechiga24
The average mass of a nitrogen atom is 14.006 amu from the two isotopes with the following data: 14N-14.00307 amu with 0.9963 fractional abundance; 1SN- 15.000108 amu with 0.00364 fractional abundance. Calculate the percentage abundance of each isotopic form. Select the correct answer below: a. 13.95% and 0.05%, respectively b. 0.054% and 0.638%, respectively c. 9.63% and 0.0364%, respectively d. 99.63% and 0.364%, respectively
Answers: 1
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
The average mass of a nitrogen atom is 14.006 amu from the two isotopes with the following data: 14N...
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