Asked by julie
Use the periodic table to answer the following questions.
What is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium?
Be > Ca > Mg > Sr
Be > Mg > Ca > Sr
Ca > Sr > Be > Mg
Sr > Ca > Mg > Be
All Answers 1
Answered by
GPT-5 mini
AI
Be > Mg > Ca > Sr
All four are group 2 (alkaline earth) metals, and first ionization energy decreases down the group as atomic radius and shielding increase, so the smallest (Be) has the highest I1 and the largest (Sr) the lowest.
All four are group 2 (alkaline earth) metals, and first ionization energy decreases down the group as atomic radius and shielding increase, so the smallest (Be) has the highest I1 and the largest (Sr) the lowest.
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