magniy va kalsiy
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1462638829_62700.ppt powerpoint presentation magniy va kalsiy www.arxiv.uz element kimyoviy belgi nisbiy atom massa tartib raqami yadro zaryadi elektron konfigu-ratsiya suyuq-lanish tempera-turasi, °c zichligi kg/m3 magniy mg 24,305 12 [ne]3s2 648,8 1738 kalsiy ca 40,08 20 [ar]4s2 838,8 1550 1) ca (+20) 2·8·8·2 1s2 2s2 2p6 3s2 3p6 4s2 2) mg (+12) 2·8·2 1s2 2s2 2p6 3s2 ts, °c tg, °c d, g/sm3 e°, v kashf etilgan 1. 838,8 1480 1,55 -2,82 g. devi, 1808 2. 650 1090 1,74 -2,36 j. bles, 1755 www.arxiv.uz tabiatda uchrashi cacl2 elektroliz ca + cl2 olinishi: www.arxiv.uz ohaktosh, bo’r, marmar caco3 gips, alebastr caso4·nh2o apatit ca3(po4)2 ftorapatit ca3(po4)3f cah2 ca(no3)2 cao ca(oh)2 ca3n2 cas caso4 rangli metallurgiyada qurilishda silikat sanoatida tibbiyotda www.arxiv.uz fizik xossalari kum...
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