Read what this module is aiming for. Then open the instrument and work through it.
As we saw at the end of the last simulation, there were two proposed configurations of lithium. Here, we will see how we know which one is correct by adding electrons and seeing how that changes the V value, which is the potential energy required to remove an electron, which we will now consider as IE.
Add electrons to see how “q” changes as inner shell electrons are considered.
Now let’s see how core charge changes as we move across the periodic table.
Hover a nucleus to see its calculation.
Take a look at the entire row — what do you notice?
Add the two electrons that sit closer to the nucleus on the right-hand lithium. Watch the attraction oval as you add them.
The intentions behind this module, and the competencies you just practised. Read each competency statement and decide honestly how well it fits you right now.