Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

1) If the following elements were involved in redox reactions, which noble-gas c

ID: 781992 • Letter: 1

Question

1) If the following elements were involved in redox reactions, which noble-gas configuration would they most likely attain? The elements to arrange are: Be, Na, F, S, Sc, As, Sr. The categories to pair them with are: He, Ne, Ar, and Kr.

2) An unknown element, X, reacts with rubidium to form the compound Rb2X . In other compounds this element also can accommodate up to 12 electrons rather than the usual octet. What element could X be?

An unknown element, , reacts with rubidium to form the compound . In other compounds this element also can accommodate up to 12 electrons rather than the usual octet. What element could be?

Mg O Cl Se

Explanation / Answer

Na-Ne

F-Ne

S-Ar

Sc-Ar

As-Kr

Sr-Kr


2)