d and f BLOCK ELEMENTS

How many unpaired electrons are present in the ground state of Cobalt (Co)?

• 2
• 3
• 4
• 5

How many unpaired electrons are present in the ground state of Iron (Fe)?

• 2
• 3
• 4
• 5

What is the ground state electronic configuration of Titanium (Ti)?

• [Ar] 3d¹ 4s²
• [Ar] 3d² 4s²
• [Ar] 3d³ 4s¹
• [Ar] 3d² 4s¹

What is the ground state electronic configuration of Scandium (Sc)?

• [Ar] 3d² 4s¹
• [Ar] 3d¹ 4s²
• [Ar] 3d⁰ 4s²
• [Ne] 3d¹ 4s²

Which transition element has the electronic configuration [Ar] 3d³ 4s²?

• Scandium (Sc)
• Titanium (Ti)
• Vanadium (V)
• Chromium (Cr)