a scale-model mound made of the same materials that make the real hill
Answer:
6.25 L
Explanation:
Please see the step-by-step solution in the picture attached below.
Hope this answer can help you. Have a nice day!
It has a negative charge emits energy when it moves to a lower energy orbit from an excited state and it has the same mass as a proton
I don’t know if I am right but I think it is symbol for the first one and the second one is formula.