Mg has a 2+ charge because the atom needs to loose 2 electrons to be a “happy atom”
If you wanted to test what will happen if salt was added to water then frozen that is when you will use scientific investigation.
Answer:
The second option
Explanation:
I took the quiz and got it correct
Answer: 1 proton, 0 electron and 1 neutron are present in 1 H⁺ isotope.