MCQOPTIONS
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| 1. |
The simplest formula of a compound containing 50% of an element X (atomic weight 10) and 50% of element Y (atomic weight 20) is: |
| A. | \[XY\] |
| B. | \[{{X}_{2}}Y\] |
| C. | \[{{X}_{{}}}{{Y}_{2}}\] |
| D. | \[{{X}_{2}}{{Y}_{3}}\] |
| Answer» C. \[{{X}_{{}}}{{Y}_{2}}\] | |