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28 March, 02:06

What is the relative mass of an electron?

A. 1/1840 the mass of an electron

B. 1/1840 the mass of a neuron + proton

C. 1840 the mass of a C-12 atom

D. 1/1840 the mass of an alpha particle

The answer is A.

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Answers (1)
  1. 28 March, 03:08
    0
    1/1840 the mass of a hydrogen atom

    so its A
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