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the sodium has lost an electron, so it no longer has equal numbers of electrons and protons. because it has one more proton than electron, it has a charge of 1 . if electrons are lost from an atom, positive ions are formed.
mae'r sodiwm wedi colli electron, felly nid oes ganddo nifer gyfartal o electronau a phrotonau mwyach. oherwydd bod ganddo un yn fwy o brotonau nag electronau, mae ganddo wefr o 1. os mae electronau yn cael eu colli o atom, ïonau positif yn cael eu ffurfio.
Ultimo aggiornamento 2016-03-28
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