المادة وخواصها

[السيد سليم]

تختلف المواد عن بعضها فى كثير من الخواص مثل:
الكثافة:
هى كتلة وحدة الحجوم من المادة (كتلة 1 سم3 من المادة)
درجة الإنصهار:
درجة الحرارة التى عندها تتحول المادة من الحالة الصلبة إلى الحالةالسائة.
درجةالغليان:
هى درجة ا لحرارة التى عندها تتحول المادة من الحالة السائلة إلى الحالة الغازية.
خواص المادة:
- الصلابة
- التوصيل الكهربى
- التوصيل الحرارى
- النشاط الكميائى

[البرنس عبود]

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[kondy]

لكم جزيل الشكر اخى الحبيب

[العربى البيو]

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[HISHAM.H]

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[محمد حلمى احمد يوسف عقل]

جزاكم الله خيرا

[bassam13]

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[عبدة قورة]

شكراً على العمل الرائع
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بسم الله الرحمن الرحيم:006et4:

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thannnnnnnnnnnk youuuu;)

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