GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the relative mass of a proton?
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1/1840 amu
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9.11 x 10-28 g
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1.675 x 10-24 g
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1 amu
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Explanation:
Detailed explanation-1: -Mass of proton is 1.0072766 a.m.u. or 1.6726 x 10-27 kg. Comparative mass: Proton is 1837 times heavier than an electron.
Detailed explanation-2: -One amu = The aggregate of the proton and neutron rest masses. 1 amu is equal to 1.67377 x 10-24 grams or 1.67377 x 10-27 kilograms. 12 amu is the mass of one atom. 1amu = 1.662 x 10-24g.
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