How can i identify an element by the number of protons?

The number of proton is the atomic number of an element. Every element has a unique atomic number.

answer; i believe that the correct answer is (c) explore the outer planets; / plz check good luck

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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