... III. BTAD 09/20/13 TRAN THI THU HUONG – THPT DL NGUYEN CHI THANH2I.SỰ BIẾNĐỔITU N HỒN CẤUHÌNH ELECTRON NGUN TỬ CỦA CÁC NGUN TỐ Quan sátbang HTTH.exeXét cấuhình electron của các nguyên ... 09/20/13TRAN THI THU HUONG – THPT DL NGUYEN CHI THANH 1BÀI 8.SỰ BIẾNĐỔITU N HOÀN SỰ BIẾNĐỔITU N HOÀN CẤU HÌNHELECTRONNGUYÊNTỬ CẤU HÌNHELECTRONNGUYÊNTỬ CỦA CÁC ... cácnguyên tố: Heli, Neon, Agon, Kripton, Xenon và radon09/20/13 TRAN THI THU HUONG – THPT DL NGUYEN CHI THANH32. trong một phân nhóm A Xét cấuhình electron của các nguyên tố nhóm IA,...
... H+ + OH− → H2O Tc dụng với oxit axit NaOH + CO 2 → NaHCO3 (nNaOH : n CO 2 ≤ 1) 2NaOH + CO 2 → Na2 CO 3 (nNaOH : n CO 2 ≥ 2) Tc dụng với dung dịch muối CuSO4 + 2NaOH ... (dễ chảy rữa), tan nhiều trong nước. - Khi tan trong nước, NaOH phân li hoàn to n thành ion:
... to n phần. 3. Bi mới: HOẠT ĐỘNG CỦA THẦY VÀ TRỊ NỘI DUNG KIẾN THỨC Hoạt động 1 GV dùng bảng tu n hoàn và cho HS xác định vi trí của Al trong bảng tu n hoàn. HS viết cấuhìnhelectron ... nguyn tử của Al, suy ra tính khử mạnh v chỉ cĩ số oxi hố duy nhất I – VỊ TRÍ TRONG BẢNG TU N HỒN, CẤUHÌNH ELECTRON NGUYN TỬ - Ơ số 13, nhĩm IIIA, chu kì 3. - Cấuhình electron: 1s22s22p63s23p1 ... 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...
... 2Al2O34Al + 3O2ñpnc Khí oxi ở nhiệt độ cao đ đốt cháy cực dương là cacbon, sinh ra hỗn hợp khí CO và CO 2. Do vậy điện phân, người ta phải thay ... THIN NHIN 1. Ứng dụng - Dng lm vật liệu chế tạo ơ tơ, my bay, tn lửa, tu vũ trụ. - Dng trong xy dựng nh cửa, trang trí nội thất. - Dùng làm dây dẫn điện, dùng làm dụng cụ nhà bếp. ... sao phải hồ tan Al2O3 trong criolit nóng chảy ? Việc làm này nhằm mục đích gì ? GV giới thiệu sơ đồ điện phân Al2O3 nĩng chảy. GV ?: Vì sao sau một thời gian 2. Điện...
... sơ đồ sau đây CaCO3CaCO3CaCO3CaCO3CaOCa(OH)2CaCl2 CO 2KHCO3K2 CO 3 Bi 2: Cho 3,04g hỗn hợp NaOH và KOH tác dụng với axit HCl thu được 4,15g hỗn hợp muối ... <NaOH CO nn2= 0,250,3= 1,2 < 2 Phản ứng tạo muối CaCO3 v Ca(HCO3)2 Ca(OH)2 + CO 2 → CaCO3↓ là lớn nhất. Giải MgCO3 + 2HCl → MgCl2 + CO 2 + H2O (1) CaCO3 ... → CaCl2 + CO 2 + H2O (2) CO 2 + Ca(OH)2 → CaCO3↓ + H2O (3) Theo (1), (2) v (3): n CO 2 = nMgCO3 + nCaCO3 = 0,2 mol thì lượng kết tủa thu được là lớn nhất. Ta cĩ: 100 .8428,1.a+...
... về hợp chất quan trong của nhôm và giải được một số bài tập liên quan đến tính chất hợp chất của nhôm. 3. Thái độ: II. CHUẨN BỊ: Cc hố chất v dụng cụ thí nghiệm cĩ lin quan. III. PHƯƠNG ... và dạng khan. Dạng ngậm nước là thành phần của yếu của quặng boxit (Al2O3.2H2O) dùng để sản xuất nhôm. Dạng oxit khan, cócấu tạo tinh thể đá quý, hay gặp l: - Corinđon: Dạng ... trong su t, không màu, rất rắn, được dùng để chế tạo đá mài, giấy nhám, - Trong tinh thể Al2O3, nếu một số ion Al3+ được thay bằng ion Cr3+ ta có hồng ngọc dùng làm đồ trang sức,...
... hợp ban đầu lần lượt là A. 16,2g v 15g B. 10, 8g v 20,4g C. 6,4g v 24,8g D. 11,2g v 20g Giải Al 23H2 nAl = 32nH2 = 32.22,413,44 = 0,4 mol mAl = 0,4.27 = 10, 8g ... dung dịch AlCl3. vo dung dịch A thì ban đầu chưa có kết tủa xuất hiện, nhưng sau đó kết tủa lại xuất hiện ? HS trả lời cáccâu hỏi và giải quyết bài to n dưới sự hướng dẫn của GV. ... x→ x 2Al + 2KOH + 2H2O → 2KAlO2 + 3H2 (2) y→ y Do X tan hết nên Al hết, KOH dư sau phản ứng (2). Khi thêm HCl ban đầu chưa có kết tủa vì: HCl + KOHdư → HCl + H2O (3) x –...
... DỊ: Tiết sau kiểm tra viết. tính chất mẫu cho HS quan st. Hoạt động 2 - Thực hiện thí nghiệm như SGK. - GV hướng dẫn HS làm thí nghiệm, quan sát hiện tượng xảy ra. Thí nghiệm 1: So sánh ... cĩ thể tiến hnh một số - Thực hiện thí nghiệm như SGK. - GV hướng dẫn HS làm thí nghiệm, quan sát hiện tượng xảy ra. lưỡng tính của Al(OH)3. Hoạt động 5: Cơng việc sau buổi thực hnh. ... với H2O. Hoạt động 3 - Thực hiện thí nghiệm như SGK. - GV hướng dẫn HS làm thí nghiệm, quan sát hiện tượng xảy ra. Thí nghiệm 2: Nhơm tc dụng với dung dịch kiềm. Hoạt động 4 Thí nghiệm...
... trí của Fe trong bảng tu n hoàn. - HS viết cấuhìnhelectron của Fe, Fe2+, Fe3+; suy ra tính chất hoá họccơbản của sắt. I – VỊ TRÍ TRONG BẢNG TU N HỒN, CẤUHÌNH ELECTRON NGUYN TỬ - ... 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 ... 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...
... vải, may quần áo ấm, bện len an áo rét. III – CAO SU 1. Khi niệm: Cao su l vật liệu có tính đàn hồi. 2. Phn loại: Cĩ hai loại cao su: Cao su thin nhin v cao su tổng hợp. ... nêu đặc điểm của loại keo dán này. nH2N -CO- NH2 + nCH2O nH2N -CO- NHH+, t0monomemetyure fomanñehit Ure fomanđehit poli(ure-fomanđehit) 3. CỦNG CỐ: Cu1. Trong các nhận xét ... hy nhận xt về cấu trc của 2 dạng mạch cao su trn? Cao su lưu hĩa Mạch khơng nhnh Mạng khơng gian HS nghiên cứu SGK và cho biết định nghĩa cao su tổng hợp. HS nghiên cứu SGK, sau...
... lửa đèn cồn, quan sát hiện tượng. Sau đó mới đốt các vật liệu trên để quan st. HS: Theo di, lắng nghe. Hoạt động 2 HS: Tiến hành thí nghiệm như hướng dẫn của SGK. GV: Quan sát, hướng ... mạnh yu cầuan tồn trong khi lm thí nghiệm với dd axit, dd xt. - Ôn tập một số kiến thức cơbản về protein và polime. - Hướng dẫn một số thao tác như dùng kẹp sắt (hoặc panh sắt) kẹp ... Quan sát hiện tượng xảy ra, giải thích. GV: Theo di, hướng dẫn HS quan sát để phân biệt hiện tượng khi hơ nóng các vật liệu gần...
... quyết bài to n. - Axit -aminoenantoic (H2N-[CH2]6-COOH) → polienantamit (nilon-7) b) Để điều chế 1 tấn mỗi loại polime trên cần bao nhiu tấn monome mỗi loại, biết rằng hiệu su t của ... 90%) Theo (2), 145 tấn H2N-[CH2]-A. Tơ visco, tơ tằm, sao su buna, keo dán gỗ. B. Tơ visco, tơ tằm, phim ảnh. C. Cao su isopren, tơ visco, nilon-6, keo dán gỗ. D. Nhựa bakelit, tơ ... CF2CF2CF2CF2......b) CH2C CH CH2c)CH3n NHd)n[CH2]6 CO CO COOCH2CH2Oe)n NH [CH2]6NH CO [CH2]4COg)n Giải a) CH2=CH−Cl b) ...