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Date: 30-3-2019
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Date: 24-10-2018
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Date: 24-10-2018
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Discovered in 1803 by William Wollaston and named after the recently discovered asteroid Pallas, palladium is a silvery-white, soft metal similar to platinum. It is a rare metal (only about 1 part per million in the earth) but occurs commonly along with copper, silver and gold.
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دراسة تحدد أفضل 4 وجبات صحية.. وأخطرها
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استمرار توافد مختلف الشخصيات والوفود لتهنئة الأمين العام للعتبة العباسية بمناسبة إعادة تعيينه
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