just help me with 2a) but if you have a lot of time you can just give me answer for all of it so i can check my answer , thank you if u help me , i really nedd help

The reaction forming aluminum bromide is Al + 3Br2 → 2AlBr3

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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