Since the chemical formula is Al2O3, it means in a single molecule there are 2 atoms Al and 3 atoms O. O means oxygen and Al means alluminium, so there are 2 atoms alluminium and 3 atoms oxygen.
Answer: Vinegar
Explanation:
The vinegar and salt affects the shell because food coloring does not affect anything besides the color so the viniger has substances which dissolves thing and the salt just made the vinegar a stronger substance. The Vinegar reactes to form a compund on the shell.
Explanation:
In an alpha emission, an alpha particle is ejected from a large nucleus. An alpha particle is simply a helium nucleus (atomic number is 2 and mass number is 4) so that means that the atomic number of the emitting nucleus decreases by 2 and its mass number decreases by 4.
