Asked by Tiffany

Rank the elements Ca, As, K, Br from highest to lowest first ionization energy. (Type your answer using the format W>X>Y>Z.)

Would the answer be: K>Ca>As>B

Answers

Answered by DrBob222
Let's compare K with Ca.
K has 19+ charges and 1 outside electron.
Ca has 20+ charges and 2 outside electrons. So it should be harder to pull an electron from Ca than K and first IP should be higher for Ca than K. right?
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