The temperature at which the substance is melting is THE SAME AS the temperature at which the substance is freezing
All atoms which contain 17 protons are called chlorine atoms. Adding or removing a proton from an atom's nucleus changes that atom's atomic number and creates a different element. Chlorine-35 and chlorine-37 are both isotopes of the element chlorine. The number after the name 'chlorine' is called the mass number
Answer:
It emits energy since to move from a higher energy level to a lower energy level or ground state, it must lose energy.
Nuclear fusion is the source of the sun’s energy/heat.