Two elements, P and Q with atomic numbers 11 and 8 respectively , combine chemically
CHEMISTRY
JAMB 1997
Two elements, P and Q with atomic numbers 11 and 8 respectively , combine chemically to form the compound PxQY. The respective values of x and y are?
- A. 1 and 1
- B. 1 and 2
- C. 2 and 1
- D. 3 and 1
Correct Answer: C. 2 and 1
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