Questions with the keyword 'atom'

• Why can NMR only be used with atoms with an odd mass number? by eigenvector to Arttu, Ceri, James_M, Monica, Philip Comments: (No comments so far )
• My teacher says that, when a chemical reaction takes place, all of the atoms have to go somewhere. The same amount of by danniegee to Philip, Ceri, Arttu Comments: (No comments so far )