d and f BLOCK ELEMENTS

What is the electronic configuration of Lu²⁺?

• [Xe] 4f¹⁴
• [Xe] 4f¹⁴ 5d¹
• [Xe] 5d¹
• [Xe] 4f¹³

What is the electronic configuration of Co²⁺?

• [Ar] 3d⁵
• [Ar] 3d⁷
• [Ar] 4s²
• [Ar] 3d⁹

What is the electronic configuration of Ce⁴⁺?

• [Xe] 4f¹
• [Xe] 4f⁰
• [Xe]
• [Xe] 5d¹

What is the electronic configuration of Cu⁺?

• [Ar] 3d⁹
• [Ar] 3d¹⁰
• [Ar] 4s¹
• [Ar] 3d⁸ 4s²

Which of the following is a common oxidation state for Scandium (Sc)?

• +1
• +2
• +3
• +4