Physically-are all SUBATOMIC particles (for example, particles from an oxygen OR a hydrogen atom) the same?

Question

Just wondering-if the atom is the smallest unit of matter that "retains the chemical properties of an element..."

Answer 1

Yes. All protons are the same. It doesn't matter whether it comes from hydrogen or oxygen. The same holds true for electrons and neutrons. You are correct that the atom is the smallest unit of matter . . . protons, electrons, and neutrons do not have the characteristics of an element. The number of each in the atom determines what atom you have.

Answer 2

All electrons, protons, neutrons etc. are identical to other particles of the same kind.

-- they carry properties such as angular momentum and spin, but these are not essential to that particle and can change in interactions.

In other words, if you have an atom consisting of 8 neutrons, 8 protons and 8 electrons, you are always dealing with the "same" oxygen-16.

Answer 3

You raise an interesting question that has been sort of ignored in chemistry because, technically, it is not a chemistry question.

Sub atomic particles will differ in the amount of energy they have, and that can effect their behavior. But the number of characteristics of sub atomic particles are expressed in statistical values and quantum numbers. These are not expressions about single particles but the averages of large numbers of particles.

If protons (and neutrons) are all composed of the same number and types of quarks then the next question is whether there can be any variations in quarks. I've not seen that question explicitly addressed although it is implied in a number of papers.

But for chemical purposes we can assume that there are no differences in one proton to the next or in one neutron to the next or in one gluon to the next, etc.

Answer 4

No they are not the same because their nuclei alone vary in mass. Another difference is their electron shells and orbitals. These are just a few of the many differences that atoms have from each other.

Answer 5

All subatomic particles are indistinguishable, while atoms of different elements are unique.

Answer 6

since the chemistry point of view yes , a proton is the same no matter where it comes from, the same for an electron
anyway for different interaction, bonding, leveling... etc you can separate certain kinds of different electrons ...also in nuclear reactions you can separate stable neutrons from unstable ones

Answer 7

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