Determine the number of protons, neutrons and electrons in t…

Determine the number of protons, neutrons and electrons in the following isotopes.  Which isotope contains 20 neutrons?  Isotope Protons Neutrons Electrons 80Se2-       Xenon-131        39K+       Copy the box containing your answers on your sheet of paper. Right after submitting your exam, upload your photos to the Assignment Box, “Calculations for Exam 1 (Chapter 1,2)”

Which pair(s) of compounds do NOT have the same empirical fo…

Which pair(s) of compounds do NOT have the same empirical formula? C2H6, C3H6{“version”:”1.1″,”math”:”C2H6, C3H6″} C2H2, C6H6{“version”:”1.1″,”math”:”C2H2, C6H6″} FeCl2, FeCl3{“version”:”1.1″,”math”:”FeCl2, FeCl3″} C2H4O2, C6H12O6{“version”:”1.1″,”math”:”C2H4O2, C6H12O6″} C2H5COOCH3, CH3CHO{“version”:”1.1″,”math”:”C2H5COOCH3, CH3CHO”}