d and f BLOCK ELEMENTS

What is the calculated spin-only magnetic moment for a Cr³⁺ ion?

• 2.84 BM
• 3.87 BM
• 4.90 BM
• 5.92 BM

What is the observed magnetic moment range for Ni²⁺ ions according to Table 4.7?

• 1.8 – 2.2 BM
• 2.84 BM
• 2.9 – 3.4 BM
• 4.4 – 5.2 BM

For which electronic configuration (3dⁿ) would you expect the lowest calculated spin-only magnetic moment (greater than zero)?

• 3d¹
• 3d²
• 3d³
• 3d⁴

What is the calculated spin-only magnetic moment for a divalent ion with atomic number 27?

• 2.84 BM
• 3.87 BM
• 4.40 BM
• 4.90 BM

What is the electronic configuration of a Ti³⁺ ion?

• 3d⁰
• 3d¹
• 3d²
• 3d³