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Grade: 12
        

All the following statements about the 3d-series elements are true except that
 

1.  scandium has lowest density
2.  enthalpy of atomisation of zinc is lowest
3.  first ionisation energy of Sc is lowest and zinc is highest
4. 
scandium has lowest melting point
 
one year ago

Answers : (1)

Khimraj
3008 Points
							
correct answer 4.
The melting points of 3d transition metal elements show an unusual local minimal peak at manganese 
one year ago
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