What pure substances cannot be separated into a simpler substance by physical or chemical means?

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What pure substances cannot be separated into a simpler substance by physical or chemical means?

2007-11-27 13:05:01 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology

2 answers

An atom

2007-11-27 13:08:01 · answer #1 · answered by Dan A 6 · 1⤊ 1⤋

More specifically, elements. See the periodic table.

Unless you include nuclear radiation as a physical force because, with enough radiation or with subatomic particles traveling with very high energy, atoms and even protons asnd nuetrons can be seperated into simpler (or at least other) subatomic particles.

2007-11-27 13:16:58 · answer #2 · answered by Gary H 7 · 2⤊ 0⤋