Calculate the mass of 12.044*10^23atom of carbon

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Stage in which a typical star has completely stopped fusion