The smallest unit of an element that can exist either alone or in combination with other such particles of the?

A. electron

B. proton

C. neutron

D. atom

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  • 8 years ago
    Favorite Answer

    John W is incorrect.

    The smallest unit of an element that can exist alone or in combination with other such particles is called an atom.

    If you further subdivide an atom into its component parts it no longer has the properties of the element.

    Hope this is helpful to you. JIL HIR

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  • John W
    Lv 7
    8 years ago

    b. proton, like in H+ = 1proton, zero electrons and zero neutrons.

    Source(s): Teacher
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