Answer:
B
Explanation:
changing color is a form of a physical change
Answer:
yes I think that they are correct
The concentration of positive charge and mass in Rutherford's atomic model is called the nucleus. Rutherford's experiments involving the use of alpha particle beams directed onto thin metal foils demonstrated the existence of the nucleus. The nucleus of an atom contains positively charge particles called protons and other uncharged particles called neutrons. According to this model most volume of an atom is made up of an empty space.
Well because the lowest possibility of having a decen is 3-decene so 6-decene is not possible. Hope this helps!! :)
B, turns red litmus paper to blue
