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Another question we werent taught this: Which equation responds to the second ionizations energy (IE2) for...

Another question we werent taught this:

Which equation responds to the second ionizations energy (IE2) for sodium and the relative energy compared to the first ionization energy of (IE1)

  • IE2: Na(g)>Na+(g)+1e- ; IE 2<IE1
  • IE2: Na(g)>Na2+(g)+1e- ; IE 2<IE1
  • IE2: Na(g)>Na+(g)+1e- ; IE 2>IE1
  • IE2: Na(g)>Na2+(g)+1e- ; IE 2>IE1

I chose the first one but was never taught can someone explain if its a lucky guess and process to determining the answer?

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