ximiya sera
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uchitel po ximii sosh №5 uchkurganskogo rayona namanganskoy oblasti babaevoy s.a. plan temi: atomnaya stroenie seri. rasprostranenie v prirode. fizicheskoe svoystva seri. allotropiya. ximicheskaya svoystva seri. poluchenie . primenenie. 7 goryachiy vozdux goryachiy par voda 160 jidkiy sera jidkiy sera serosoder- jashaya poroda ukreplenie uroka skolko allotropicheskiy modifikatsii imeet sera? a) 4 v) 1 s) 3 d) 2 ukreplenie uroka 2) naydite plastikovuyu modifikatsiyu seri . a) v) s) ukreplenie uroka 3) naydite silnuyu serosoderjashiyu kislotu a) h2s v) s) h2so3 h2s h2so3 h2so4 ukreplenie uroka 4. raspredelenie elektronov po energeticheskim urovnyam v atome seri: a) 2, 6 v) 2, 8, 8 s) 2, 8, 6 d) 2, 8, 8, 6 5. sera - bolee silniy okislitel, chem… a) fosfor …
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