The mass of the atom is equal to the sum of the number of protons and the number of neutrons. In a neutral atom, the number of protons is equal to the number of electrons. The atomic number meanwhile of an atom is equal to the number of protons of the atom.
I have the same question right now and i think that it is D
-log (1×10^-12) is how you calculate the pOH which in this case is 12
Answer:
The sun's path through the sky ( i hope this helps)
