How are endothermic and exothermic processes identified, and how does the energy of the system change with each?

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Type the letter that represents the correct location for each particle type below.