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MediumChemistry
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Element X, Y and Z have atomic numbers 19, 37 and 55 respectively. Which of the following statements is true -
A
Their ionisation potential would increase with the increasing atomic number
B
'Y' would have an ionisation potential in between those of 'X' and 'Z'
C
'Z' would have the highest ionisation potential
D
'Y' would have the highest ionisation potential
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