From the following isotope notation, detemine the number of protons, neutrons & electrons.

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

Define a is a tiny pavket of energy

How do dying stars contribute to the formation of planets