ocr: ch 112 final 1986 page 5 5. 25. 12,20330 Atoms of an element, X, have the alectronic configuration shomn above. The compound most 11kely formed with magneslum, Mg, is (a) Mgt (b) M921 (c) Mgl, (d) M923 (a)) - Mg,'2 26. Select the clement which forus e monatonic ion wltha charge in solutlon (a) F (b)) ng (c) Ar (d) Mn (a) S 27. - - Salect tha elemant, x, which forms a compound KXO, (a) F (s) Mg (c) Ar (a))mn (e) s 28. Selact che alement mhic toras oxides that are comnon air pollutants and that yieid acidic solutions in water (a) F (b) Mg (c) Ar (d) Mn la) $ 29. Salect a compound with mphotarie ...
