d and f BLOCK ELEMENTS

What is the electronic configuration of Curium (Cm, Z=96) in its ground state?

• 5f8 7s2
• 5f7 6d1 7s2
• 5f6 6d2 7s2
• 5f7 6d0 7s2

What is the electronic configuration of Plutonium (Pu, Z=94) in its ground state?

• 5f5 6d1 7s2
• 5f6 7s2
• 5f4 6d2 7s2
• 5f7 7s1

What is the electronic configuration of Uranium (U, Z=92)?

• 5f4 7s2
• 5f3 6d1 7s2
• 5f2 6d2 7s2
• 5f3 6d0 7s2

What is the electronic configuration of Thorium (Th, Z=90)?

• 5f1 6d1 7s2
• 5f2 7s2
• 5f0 6d2 7s2
• 5f1 6d0 7s2

What is the name of the element with atomic number 103 among the actinoids?

• Mendelevium (Md)
• Nobelium (No)
• Lawrencium (Lr)
• Rutherfordium (Rf)