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The nature of ions knocked out from hot surfaces is (a) Protons (b) Electrons (c) Neutrons (d) Nuclei



The nature of ions knocked out from hot surfaces is


        (a)    Protons     


(b)    Electrons


        (c)    Neutrons


        (d)    Nuclei


Grade:upto college level

1 Answers

Hrishant Goswami
343 Points
8 years ago

(b)

Ion is an atom or a group of atoms that has lost or gained electrons having negative or positive charge respectively. Thus, the ions knocked out from hot surfaces is electrons.

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