Oxygen and carbon are both elements ... This number is called the mass number. Since the mass of an atom comes almost entirely from the protons and neutrons, it is fairly obvious that the mass ...

Oxygen, for example, has eight protons. However, the number of neutrons in an atom can ... Isotope Beam Factory (note: they ...

Current warming accounts for up to 55 percent of the decrease in lake oxygen levels, the researchers estimate. If this trend ...

1. Convert kilograms/second to grams per second. 1 kg = 1000 grams. If the mass flowrate is 0.25 kilograms/second, convert this to 250 grams/second. 2. Convert grams to moles, using the molar mass of ...