Why can’t elements be separated into smaller parts using chemical means?

Why can't elements be separated into smaller parts using chemical means? Too much energy is required, since you'd have to break them down into protons, neutrons, and electrons. You can get this much energy together with nuclear reactions, but not by chemical means.

Answerbonded to an amino group(nh2);

The answer is b. because when it leaves the bat, its bringing motion on where its going.