MCQ
Which pair of elements has same chemical properties
- A$13, 22$
- ✓$3, 11$
- C$4, 24$
- D$2, 4$
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| Student | Readings | |
| | (i) | (ii) |
| A | 3.01 | 2.99 |
| B | 3.05 | 2.95 |
