Listed below are the locations of certain elements in groups and periods of the periodic table. Arrange these elements in the expected order of increasing non-metallic character:
I. Element in the fourth period and group IV A
II. Element in the third period and group VI A
III. Element in the fourth period and group VI A
IV. Element in the six period and group III A
V. Element in the second period and group VII A
The correct order is:
I refers to the element Ge, II refers to the element S, III refers to the element Se, IV refers to the element Tl, V refers to the element F. Non-metallic character follows the order: Tl<Ge<Se<S<F