The boiling point of potassium is 759.90°C. If potassium follows the general pattern of the other elements in the table, its heat of fusion would be:
F. Below 8 kJ/mol.
G. Between 8 and 11 kJ/mol.
H. Between 11 and 14 kJ/mol.
J. Between 14 and 18 kJ/mol.