18 electrons because protons minus the atomic mass so it would be 35-17 which gives you 18.
Answer:
Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space. (Sound, on the other hand, must travel through a solid, a liquid, or a gas.)
Explanation:
Answer:
protein
Explanation:
protein is a very large complex macro-molecule that requires amino acids