Question

When the elements in Group 1 are considered in order from top to bottom, each successive element at standard pressure has

(1) a higher melting point and a higher boiling point
(2) a higher melting point and a lower boiling point
(3) a lower melting point and a higher boiling point
(4) a lower melting point and a lower boiling point

Answer 1

When the element in group 1 are considered in order from top to bottom, each successive Elmer at standard pressure has a lower melting point and a lower boiling point.