D I believe. Correct me if I’m wrong.
I believe it was John Newlands.
Hope that helped
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
Pure silicon is a poor conductor at room temperature because it has 4 valence electrons
<span>In commonly table salt is sodium chloride. When table salt is dissolved in water, the solution conducts electricity because sodium chloride is made up of ions, it is called an ionic substance.</span>