If a chlorine atom gains or loses a valence electron, it becomes a charged particle called a/an ___________.?

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A. flourine
B. neutron
C. chloride atom
D. ion
Best Answer
D. ion.

When atoms gain or lose electrons, they become ions because their charges are no longer zero.

Choice A is incorrect because when atoms gain or lose electrons, their identities DO NOT change.

Choice B is the incorrect for similar reasons. A neutron is a particle inside the nucleus. How could a chlorine atom become just one subatomic particle with the loss or gain of an electron?

Choice C is a tempting answer because it says "chloride". However, it would be correct only if it said "chloride ion" because chloride is the name of an ion of chlorine. It is no longer an atom because it does not have a neutral charge now that it lost or gained an electron (a particle with charge).

Note: Do not mix this up with atoms with different numbers of neutrons; those are not ions, but isotopes.
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Other Answers (8)

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  • ATheist answered 5 years ago
    D. ion
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  • calvaliear answered 5 years ago
    Answer: (D). ion


    For additional information, please see also:

    http://en.wikipedia.org/wiki/Ion
    http://en.wikipedia.org/wiki/Monatomic_i...


    "May the Lord Jesus Christ continue to richly bless you in all of your endeavors."


    Sincerely,
    willard_thomas_jr@yahoo.com
    (a.k.a. calvaliear)
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  • Gino M answered 5 years ago
    ion
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  • red devil answered 5 years ago
    D ion
    -anion(negatively charged)
    -cation(positively charged)
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  • Rob answered 5 years ago
    D ion
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  • Jonathan answered 5 years ago
    D. ion
    An ion is an atom or molecule where the total number of electrons is not equal to the total number of protons, giving it a net positive or negative electrical charge.
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  • printer answered 5 years ago
    D. ion
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  • A answered 5 years ago
    C. chloride atom
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