Answer:
Principle quantum number.
Explanation:
Answer:
Aristotle believes that all material substances are matter and form.
Explanation:
If you remember from the four causes, the matter is one cause and form is another cause. Substance theory says that substances are the ultimate things in the universe
Answer:
the answer of the questionis D Photons
The correct answer would be D: Physical properties can be observed without changing the identity of a substance
