Answer:A property that changes if the amount of substance changes
Explanation:
This is the answer
Q1. TI (210/81Thallium)
Q2.
The answers are opposite from each other
C protons, elctrons 093939393
Answer:B
Explanation: I know this because kinetic energy is when something is moving and potential energy is when something is not moving and the energy is being stored so it has you are pushing on the other side moving the object it is transforming the potential energy also known as stored energy into movement also known as kinetic energy