JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
First ionisation enthalpy values of first four group 15 elements are given below. Choose the correct value for the element that is a main component of apatite family :
- A834 kJ mol−1
- B947 kJ mol−1
- C1402 kJ mol−1
- D1012 kJ mol−1
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