The diameters of the spheres are 72.5 meters square
A p sub- level has 3 sub levels so it contains 6 electrons max
Answer: Each ion, or atom, has a particular mass; similarly, each mole of a given pure substance also has a definite mass. The mass of one mole of atoms of a pure element in grams is equivalent to the atomic mass of that element in atomic mass units (amu) or in grams per mole (g/mol).
Explanation:
3.
protium (A = 1), deuterium (A = 2), and tritium (A = 3).
