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19 September, 06:07

When an atom of lithium loses an electron, the atom becomes a

(1) negative ion with a radius smaller than the radius of the atom

(2) negative ion with a radius larger than the radius of the atom

(3) positive ion with a radius smaller than the radius of the atom

(4) positive ion with a radius larger than the radius of the atom

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Answers (1)
  1. 19 September, 09:37
    0
    Because lithium is losing an electron, it will consequently have one more proton than electron, making it positive (rule out 1 and 2). A cation is always smaller than its neutral atom, so 3 is your answer.
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