Which statement is true?
(1) the electronegative nature of elements increases along the period
(2) the electropositive nature of elements increases along the period
(3) the chemical reactivity of elements increases along the period
(4) the I.E of element decreases along the period
Which of the electronic configuration of an atom has the lowest ionization enthalpy?
Which element has the greatest tendency to lose electron?
In the long form of periodic table, the elements having lowest ionization potential are placed in:
(a) I group
(b) IV group
(c) VII group
(d) Zero group
Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionisation enthalpy?
(a) Vanadium (Z = 23)
(b) Chromium (Z = 24)
(c) Iron (Z = 26)
(d) Manganese (Z = 25)