The compound ch3ch2-sh is in the organic family know as c. thiols
A nucleus is in the center of an atom and protons and neutrons are found inside there
Hello! Those are called the isotopes of those elements!! They have more than just one form and each has it’s own AMU’s so the multiple numbers above different elements, represent the isotopes of those elements. Carbon is a good one just for one example.
Hope this helps you out! Questions please just ask! Thanks!
It means “the study of.” Think of it:
Those are subjects you study. It makes more sense than the other choices.
