Metallic structure. The particles in a metal are held together by strongmetallic bonds. ... Metals have loose electrons in the outer shells which form a 'sea' of delocalised negative charge around the close-packed positive ions.
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Ответ дал: Гость
na2so4=bacl2= baso4+nacl caco3= cao+ co2 mgcl+ agcl+ mg(no3)2
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