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An electron is in a region outside the nucleus. How will you describe an electron? A. Has a positive charge B. Is larger than a proton and has no charge C. Is smaller than a proton and has no charge D. Has less mass than a proton and has a negative charge ​.

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BRAINLYMATEEIN

Atom

An electron is in a region outside the nucleus. Therefore, an electron A. has less than mass than a proton and has a negative charge.

Explanation:

Since the relative mass of an electron is 1/1840 and a proton is 1. Therefore, the electron relative mass is less than a proton. Then, an electron has negative charge (-1) while a proton has positive charge (1).

What is an Atom?

  • The concept of the atom was proposed by Greek Philosopher Democritus that matter is composed of tiny fundamental particles and it is an atom. This term means indivisible or uncuttable.

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