Respuesta :
Ions are electrically charged particles formed when atoms lose or gain electrons. They have the same electronic structures as noble gases. Metal atoms form positiveions, while non-metal atoms form negative ions. The strong electrostatic forces of attraction between oppositely charged ions are called ionic bonds.
The particle that an atom can lose or gain in order to form a charged ion is electron.
How charged ion formed?
When an atom lose an electron from their valence shell the it form positive charged ion known as cation.
When an atom gain an electron from their valence shell then it form negative charged ion known as anion.
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