Does anbody know or can check nd see if its right?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

What can be found in the ionosphere

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid