Pressure has the opposite effect on air density increasing the pressure increases the density
Explanation:
proton number and neutron number sums up to form the mass number
Hello!
Whenever you see an atomic number with an element, you know the number of protons in the nucleus of the atom, which determines the chemical of an element and its place on the periodic table.
For example, Hydrogen has only one proton, however, if you were to add say 78 more protons, you'd get gold!