The correct arrangement of the elements in the order
P of decreasin...
The correct arrangement of the elements in the order
P of decreasing ionization energies is
W
(1) \( \mathrm{Na}\mathrm{Mg}\mathrm{Al} \)
(2) \( \mathrm{Mg}\mathrm{Na}\mathrm{AI} \)
(3) \( \mathrm{Al}\mathrm{Mg}\mathrm{Na} \)
(4) \( \mathrm{Mg}\mathrm{Al}\mathrm{Na} \)
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