An element has a electron configuration of 1s2 2s2 2p6 3s2. Upon forming an ion, its new configuration is 1s2 2s2 2p6. Which is the ion formed?
1 Answer
Mar 12, 2018
You should swiftly be able to identify the parent element....
Explanation:
...why? Because you got 12 electrons...and if there are 12 electrons, 12 negative charges, the NEUTRAL element must contain 12 positive charges...i.e.