The atomic size of Gallium () is anomalously smaller than Aluminium (). What is the exact primary cause of this anomaly?

Name: JEE Advanced Chemistry
Price: 7999 INR
Availability: InStock

Question

The atomic size of Gallium ($Ga$) is anomalously smaller than Aluminium ($Al$). What is the exact primary cause of this anomaly?

Prashant Kotian · Accepted Answer

Correct answer: C. Gallium is preceded by the 3d transition series. The 10 inner 3d electrons shield the nucleus poorly, sharply increasing and contracting the valence shell, making .

💡 Solution & Explanation

Practice 22,000+ questions like this