Mavzu: Kimyo
57. Maykl (499) [off]
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12| 7 May 2018, 22:41
РЕЗИДЕНТ (7 May 2018, 17:18):
118-element bu
UNUNOKTIY
ZOHIDBEKPRO, 95 chi element qaysi?
58. РЕЗИДЕНТ (1021) [off]
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12| 8 May 2018, 06:47
Maykl (7 May 2018, 22:41):
ZOHIDBEKPRO, 95 chi element qaysi?
Maykl, AMERISIY ( lotincha Americium)
59. TJboy (380) [off]
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10| 5 Jun 2018, 11:34
2018-yilda chiqqan axborotnoma yechimlarini qayerdan osam bo'ladi??
60. Asadbek24 (368) [off]
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5| 1 Nov 2018, 17:51
Kimyoni o'rganayotganlar uchun juda ham kerakli dastur sotiladi
61. RM_FANAT (1035) [off]
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26| 1 Nov 2018, 18:19
Gazni formulasi.?
62. MasterOS (1420) [off]
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26| 1 Nov 2018, 18:38
1) Bu formulani bir olim tushida ko'rgan.U qaysi formula.
2) Bu Shunday moddaki u tabiatda gaz holatida zaharli,ota kuchli.Lekin u inson organizmida 5-7% bor.
63. Najmiddin (132) [off]
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25| 30 Jan 2019, 16:49
bir molekula vadaroda nechta s-elektron bor???