لماذا تمتاز الفلزات بالثني والطرق ؟

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لأن ذرات الفلزات تتراص في صفوف منتظمة التوافق ويشد هذه الذرات بحر من الإلكترونات في شبكة مهيكلة . أما الذرات فلا تترابط مع الذرات المجاورة بل تتجول بحرية وايضا متماسكة وتكون روابط قوية في مواقعها الجديدة .

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