The 3 particles are protons, neutrons, and electrons?
Silicon because it is abundant on Earth. Also, carbon and silicon are both building blocks of life.
A decrease in n emits energy and an increase absorbs energy. This mean the greater the decrease the greater amount energy is being emitted. So the answer should be:
A. n=5 to n=1
Really hopes this helps!
The answer is ‘matter’ as every living object and everything around us is made up of matter.
Hope it helps :)
