Wish I can help, but I don't take chemistry. :(
fly sry
The best and most correct answer among the choices provided by your question is the fourth choice.
The correct arrangement of these particles from largest to smallest mass is: <span>proton, alpha particle, beta particle.</span>
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<span>O2 travels slower than H2, Ne, N2, and CO. This is due to the fact that O2 has a heavier molecular weight than the others. O2 has a weight of 32 grams per mole. N2 and CO are the next highest with 28 grams per mole. Ne is 20 grams per mole, and H2 is 2 grams per mole.</span>
