d and f BLOCK ELEMENTS

What is the common oxidation state for Scandium (Sc) based on its electronic configuration?

• +1
• +2
• +3
• Variable

What is the common oxidation state for Zinc (Zn) based on its electronic configuration?

• +1
• +2
• +3
• Variable

Which of the following is a first-row (3d series) transition element?

• Niobium (Nb)
• Manganese (Mn)
• Tungsten (W)
• Gold (Au)

Which of the following is NOT a first-row (3d series) transition element?

• Scandium (Sc)
• Vanadium (V)
• Yttrium (Y)
• Iron (Fe)

What is the principal quantum number (n) for the d-orbitals being filled in the first-row transition elements?

• 2
• 3
• 4
• 5