Paper 3 · November 2009 · transition elements
Which statement about transition elements is correct?
ATheir melting points are lower than s-block elements.
BThey have low densities.
CThey use only 3d orbitals for bonding.
DThey form ions with partially filled d-orbitals.
Explanation
The marking scheme gives answer D. Transition elements are defined as elements that form at least one stable ion with a partially filled d-subshell.
ZIMSEC Chemistry Paper 3, November 2009, Q3