Help me i dont understand

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Which metal exist in liquid state and can be cut with knife ?