What are the sum of protons and neutrons in an atom?

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?

H2o is a single atom of wat true or false?