if an element X with atomic number 13 combines with an element Y whose atomic number is 8 the most likely formula of the compound formed between X and Y is?
A
XY
B
X2Y
C
XY2
D
X3Y2
E
X2Y3
Verified Correct Answer: E.
Chemical Principles & Mechanism
Element X is aluminum of valency 3+
Element Y is oxygen of valency 2-
Their combination is \(Al_{2}O_{3}\)
Source: WAEC / JAMB / NECO Classroom Archive (Record #43363)