<span>2.0 moles. (83.3g / 208 [grams/moles] *5 [from balancing] = around 2 </span>
a. 2Na Al 03
Equation must have the same number of each element on both sides of the equation.
Answer:
The mass of the nucleus is almost the same as the atom because a majority of the mass of an atom is stored in the nucleus.
The volume of an atom is larger than the nucleus. The nucleus is a tiny, concentrated area inside of the atom. Atoms are mostly empty space inside.
Explanation: