Answer:
The number of principle energy level increases and the number of valance electrons remain the same.
Make Me Brainliest.
Answer:
D
Explanation:
It is D because once youve put together the ingredients and baked it you can not go in and taake out every ingredient and put it back to how it was before (Please also try to help me with my question it it about scaled copies, Please and thank you!)
D. 6 protons and 7 neutrons
As proton remains constant
