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    Diamonds!

    شاطر

    Guest
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    Diamonds!

    مُساهمة من طرف Guest في السبت فبراير 14, 2009 7:38 pm

    A very attractive and expensive allotrope of carbon is diamond,the diamond is an extremely hard material found on earth ,it is one of the hardest minerals.What makes diamonds valuable is because of its appearance and rarity ,and for centuries diamonds have been regarded as the most brilliant of precious stones,for when they cut they are particularly attractive in the way they reflect light,and now the diamonds are being used in the manufacturing of jewelery and for fashion.There has been a demand ever since!


    عدل سابقا من قبل Neyoula aljurdi في الإثنين فبراير 16, 2009 8:28 pm عدل 3 مرات (السبب : A mistake in a forgetting a comma.)

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    رد: Diamonds!

    مُساهمة من طرف Guest في الإثنين فبراير 16, 2009 8:30 pm

    Thanks Rabieh,this topic will help your friend extend their information about the new chemistry lesson.Go ahead

    lmesbahuddin
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    رد: Diamonds!

    مُساهمة من طرف lmesbahuddin في السبت مارس 07, 2009 8:27 am

    Diamonds also tend to be very expensive

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    رد: Diamonds!

    مُساهمة من طرف Guest في الإثنين مارس 09, 2009 2:37 am

    well,acube of volume 1cm^3 of diamond can buy a cube of another allotrope of carbon,graphite,of abou a volume of 1000000cm^3.The previous given information in this reply is a personal prediction, and not a fact.

    lmesbahuddin
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    رد: Diamonds!

    مُساهمة من طرف lmesbahuddin في الخميس مارس 12, 2009 8:34 am

    wow, how do you know so much? they must teach you a lot at 14

      الوقت/التاريخ الآن هو الإثنين يوليو 16, 2018 10:00 pm