The answer is potassium magnate
D - for example, Potassium has 1 electron on its outer shell, whilst Chlorine has 7 electrons on its outer shell. Potassium loses one electron to Chlorine so that each of them have a full outer shell. This would form Potassium Chloride.
Answer: is C
Explanation:
Both the atomic mass and the atomic number increase from left to right
The correct answer is 42. I know this answer is right because i have already turned my assignment in and got it right.
