if a material is tested and every sample has exactly the same properties and same composition, it is

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

Drive down any three characteristic of modern periodic table

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)