Sample X has 10 protons, 11 neutrons and 10 electrons. Sample Y has 12 protons, 12 neutrons and 12 electrons. Are these two samples isotopes of one another? Explain how you know.

Are either of these two samples ions? Which one(s)? Explain how you know.

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.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.