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Which changes in both charge and radius occur when an atom loses an electron?(1) A negative ion i

June 2023 NY Regents Chemistry Exam


11 Which changes in both charge and radius occur when an atom loses an electron?

(1) A negative ion is formed with a smaller radius than the atom.

(2) A negative ion is formed with a larger radius than the atom.

(3) A positive ion is formed with a smaller radius than the atom.

(4) A positive ion is formed with a larger radius than the atom.


Solution: An electron has a -1 charge. When an electron is lost, a positive ion will be formed (since there will be more protons (+1 charge) than electrons). Losing an electron will also decrease the radius of an atom.

Answer: 3


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