d and f BLOCK ELEMENTS

What is the electronic configuration of the ground state of Silver (Ag, Z=47)?

• [Kr] 4d⁹ 5s²
• [Kr] 4d¹⁰ 5s²
• [Kr] 4d¹⁰ 5s¹
• [Kr] 4d⁸ 5s³

What is the electronic configuration of the ground state of Palladium (Pd, Z=46)?

• [Kr] 4d⁸ 5s²
• [Kr] 4d⁹ 5s¹
• [Kr] 4d¹⁰ 5s¹
• [Kr] 4d¹⁰

What is the primary reason transition metal compounds often exhibit paramagnetic behavior?

• They have paired electrons in s orbitals
• They contain only paired electrons
• The presence of unpaired electrons in partially filled d-orbitals.
• They are always ionic compounds

Which of the following best describes the catalytic property of transition elements and their compounds?

• They increase the temperature of the reaction
• They provide an alternative reaction pathway with lower activation energy.
• They are always consumed in the reaction
• They only work in gaseous phase

What is a general trend observed among transition elements in a horizontal row (period) compared to non-transition elements?

• They have lower melting points
• They are less dense
• Greater similarities in properties exist among transition elements in a horizontal row.
• They are more reactive