Chemistry · Classification of Elements and Periodicity in Properties
Observe the following data showing the ionic radii of four isoelectronic ions: IonQa+Xb+Yc+Zd+Radius (pm)536640100 The ions Qa+, Xb+, Yc+, and Zd+ are respectively:
- 1Al3+, Mg2+, Si4+, Na+✓
- 2Mg2+, Si4+, Al3+, Na+
- 3Al3+, Si4+, Mg2+, Na+
- 4Mg2+, Al3+, Na+, Si4+
Correct answer
Al3+, Mg2+, Si4+, Na+
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