You can pick it up and move it
You multiply the number of atoms by 12 to get how many electrons (since each atom has 12 electrons in it)
you multiply the number of atoms by 13 to get how many neutrons
(since each atom of this isotope has 13 neutrons in it)
Heat can be absorbed or produced
Answer:
I say for her to test her suspicion by going to see an allergist to diagnose the allergy.