If an atom contains 13 protons, then it has <u>13 electrons.</u>
Answer:
which pic...? there is no picture attached to your question
Answer:
The last one is false
Explanation:
Energy can be neither created or destroyed. It can only move from one type of energy to another.
Hubble space telescope, Hubble deep field guide, moon, mercury, Saturn, sun, galaxy messier 101