1s22s22p63s23p64s23d104p65s24d9 what is this element

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Consider this initial-rate data at a certain temperature for the reaction described by

Acontrol during an experiment. might change remains constant does not exist does change