1. Sr [ Synonyms: atomic number 38, strontium] | |
A soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
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ایک ہلکا زرد قلزی ارضی کیمیا۔ |
Prize Bonds Software in Pakistan The "Mega Prize Bonds" software allows searching of prize bonds in dif ... Read more