A.92 all Uranium atoms contain the same amount of protons
Exothermic change. Because the firework when it exploded, released energy in the form of light. In exothermic changes energy is released, and in endothermic changes energy is absorbed.
- This wouldn't be a physical change, but instead a chemical change. A clue that it is a chemical change is that energy was given off.
Answer: 143.3
137+115+104+263+98 divided by 5.Which gives us 143.3
There are 5 significant figures
Answer:
4feet
Explanation:
Because when he moves he only goes 4 miles every time I