Q. The valence shell of element A contains 3 electrons while the valence shell of element B contains 6 electrons. If A combines with B, the probable chemical formula of the compound is
A. AB2
B. A2B
C. A2B3
D. A3B2
Answer: A2B3
A. AB2
B. A2B
C. A2B3
D. A3B2
Answer: A2B3
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