d and f BLOCK ELEMENTS

What is the electronic configuration of the ground state of Tungsten (W, Z=74)?

• [Xe] 4f¹⁴ 5d³ 6s³
• [Xe] 4f¹⁴ 5d⁵ 6s¹
• [Xe] 4f¹⁴ 5d² 6s⁶
• [Xe] 4f¹⁴ 5d⁴ 6s²

What is the electronic configuration of the ground state of Iridium (Ir, Z=77)?

• [Xe] 4f¹⁴ 5d⁶ 6s³
• [Xe] 4f¹⁴ 5d⁸ 6s¹
• [Xe] 4f¹⁴ 5d⁵ 6s⁴
• [Xe] 4f¹⁴ 5d⁷ 6s²

What is the electronic configuration of the ground state of Osmium (Os, Z=76)?

• [Xe] 4f¹⁴ 5d⁵ 6s³
• [Xe] 4f¹⁴ 5d⁷ 6s¹
• [Xe] 4f¹⁴ 5d⁴ 6s⁴
• [Xe] 4f¹⁴ 5d⁶ 6s²

What is the electronic configuration of the ground state of Rhodium (Rh, Z=45)?

• [Kr] 4d⁷ 5s²
• [Kr] 4d⁹
• [Kr] 4d⁸ 5s¹
• [Kr] 4d⁶ 5s³

What is the electronic configuration of the ground state of Ruthenium (Ru, Z=44)?

• [Kr] 4d⁶ 5s²
• [Kr] 4d⁸
• [Kr] 4d⁷ 5s¹
• [Kr] 4d⁵ 5s³