His revisions proved the importance of the atomic number and acknowledged why some of the elements seemed like they were out of place, even though they were in the right place.
Answer:
a new scientific discovery that benefits the environment
They are not always identical because they have different isotope numbers which develops different neutrons numbers
Answer:
The answer is C
Explanation:
An atom is extremely small, but a device to make them look bigger, like a microscope, will help Xavier see it
