Question:
The first ionization energies of potassium and calcium are
Last updated: 8/5/2022
![The first ionization energies of potassium and calcium are](https://media.kunduz.com/media/sug-question/raw/59599668-1659707945.285203.jpeg?h=512)
The first ionization energies of potassium and calcium are somewhat similar, 419 kJ/mol and 590 kJ/mol, respectively. However, the melting points are significantly different: The melting temperature of potassium is 63.5 °C and the melting temperature of calcium is 842 °C. Clearly explain this large difference in melting temperatures.