The value of the atomic mass of an atom is a. the sum of the mass of the protons in the atom. b. the average mass of all the different ions of the atom. c. the average mass of all the different isomers of the atom. d. the average mass of all the different isotopes of the atom.

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed