Fill in the following blanks with suitable words :(a) The particle which is formed by gain of electrons by an atom is called ...................(b) The particle which is formed by the loss of electrons by an atom is called ...................(c) The particle which is formed by the loss or gain of electrons by an atom is called .....................(d) A potassium ion has positive charge because it contains less .................... than ...................(e) A sulphide ion has negative charge because it contains less ....................... than ...................


(a) Particle formed by the gain of electrons by its atom is called anion.
(b) Particle formed by the loss of electrons by its atom is called cation.
(c) Particle formed by losing or gaining electrons by its atom is called ion.
(d) A potassium ion carries a positive charge because it contains less number of electrons than protons.
(e) A sulphide ion carries a negative charge because it contains less number of protons than electrons.

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Updated on: 10-Oct-2022

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