Why some elements are + and some are -?
example- H+
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elements that lose electron(s) when they form ions end up with more protons than electrons and so become positively charged
elements that gain electron(s) when they form ions end up with more electrons than protons and so become negatively charged
(a neutral atom contains equal no. of protons and electrons)
hydrogen(H) loses 1 electron when it forms ions, so is H+
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