c is the answer i odnt know the rest im only a sophmore
This is true.
The reaction rates are affected by how often the particles collide.
Answer:
False
Explanation: sound travels fastest through solids slowest through liquids.
Answer: 2) Electron X absorbs energy when it changes to a higher energy level.
Explanation:
The electrons in an atom exist in various energy levels. When an electron moves from a lower energy level to a higher energy level, energy is absorbed by the atom. When an electron moves from a higher to a lower energy level, energy is released (often as light).
