how non-metal ions formed explain with two examples
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Seventeen elements are generally classified as nonmetals: most are gases (hydrogen, helium, nitrogen, oxygen, fluorine, neon, chlorine, argon, krypton, xenon and radon); one is a liquid (bromine); and a few are solids (carbon, phosphorus, sulfur, selenium, and iodine).
Cl + e⁻ = Cl⁻
O+ 2e⁻ = O²⁻
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Non metals form negative ions ( anions ) . A nitrogen atom must gain three electrons to have the same number of electrons as an atom of the following noble gas, neon . Thus , a nitrogen atom will form an anion with three more electrons than protons and a charge of 3 -
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