What do organisms have based on their functions?

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

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

Compare and contrast physical changes with chemical changes.