d and f BLOCK ELEMENTS

How many electrons are present in the 4s orbital of Cobalt (Co) in its ground state?

• 1
• 2
• 7
• 0

How many electrons are present in the 4s orbital of Iron (Fe) in its ground state?

• 1
• 2
• 6
• 0

How many electrons are present in the 4s orbital of Manganese (Mn) in its ground state?

• 1
• 2
• 5
• 0

How many electrons are present in the 4s orbital of Chromium (Cr) in its ground state?

• 2
• 1
• 0
• 5

How many electrons are present in the 4s orbital of Vanadium (V) in its ground state?

• 1
• 2
• 3
• 4