In terms of subatomic particles what is one difference between the nucleus of a carbon -11 atom and the nucleus of a boron -11 atom ?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Which terms are used to identify pure substances

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg