WAEC - Chemistry (2024 - No. 16)
Which of the following statements describes transition elements? They
are very reactive
have low melting points
possess variable oxidation state
form colourless salts
Paliwanag
Transition elements are elements having partially filled d- orbitals. The first series of transition elements ranges from Scandium to Zinc.
Apart from the general properties of metals, the transition elements have in addition the following characteristics:
- Variable oxidation state
- Catalytic properties
- Magnetic properties.
- Complex ion formation