In which radiation does the mass number decrease by 4 and proton number of the nuclei decrease to form a new element?

How do you determine the percent yield of a chemical reaction

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms