Question

The alkaline earth metals Ba, Srca and Mg may be arranged in the order of
their decreasing first ionization potential as:
A. Mg, Ca, Sr, Ba
B. Ca, Sr, Ba, Mg
C. Sr, Ba, Mg, Ca
D. Ba, Mg, Ca, Sr​

Answer 1

Answer:

Mg, Ca, Sr, Ba

Explanation:

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Answer 2

Answer:

opption A is true Mg, Ca, Sr. Ba