75% hydrogen
25% helium
2%carbon, nitrogen
Answer:
Logs in a fire is an example of something burning, also changing its state of form. I think thats chemical change; going from wood to ashes. And charged batteries means they haven't been used yet or they were just charged, resulting in physical change.
Explanation:
I just learned this in science.
I hope this helps!
F - 12.5
Cs - 87.5
F mass - 19
Cs mass - 132.91
