Bài 5: Cho các nguyên tố X, Y, Z có số hiệu nguyên tử tương ứng là: 14, 6, 7 a) Viết cấu hình electron, xác định vị trí nguyên tố trong bảng tuần hoàn. [BÀI TẬP TỰ LUẬN CHƯƠNG 2_GV:NT BÍCH NGA] Trang 2 b) Sắp xếp các nguyên tố theo chiều: - Tăng dần tính phi kim - Giảm dần độ âm điện - Giảm dần tính axit của oxit tương ứng - Tăng dần tính axit của hidroxit tương ứng

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Both options make sense. Underline the one which forms a common collocation. a) We managed to complete our journey ahead of/in front of schedule. b) On our way to York, we divided/broke our journey in Peterborough. c) As I wasn't coming back by train, I asked for a single/simple ticket. d) The two coaches collided/bumped, but luckily no one was injured/wounded. e) There has been widespread public enmity/opposition to the plan for a new road. f) My car skidded/slipped off the road and hit a tree. g) The train was packed, and there was standing place/room only. h) Look at that enormous goods/industrial train - it must have 20 or 30 wagons! i) The police accused Donald of breaking the speed limit/restriction. j) The Chairman made a brisk/flying visit to the company's new office in Brussels. Both options make sense. Underline the one which forms a common collocation. a) We managed to complete our journey ahead of/in front of schedule. b) On our way to York, we divided/broke our journey in Peterborough. c) As I wasn't coming back by train, I asked for a single/simple ticket. d) The two coaches collided/bumped, but luckily no one was injured/wounded. e) There has been widespread public enmity/opposition to the plan for a new road. f) My car skidded/slipped off the road and hit a tree. g) The train was packed, and there was standing place/room only. h) Look at that enormous goods/industrial train - it must have 20 or 30 wagons! i) The police accused Donald of breaking the speed limit/restriction. j) The Chairman made a brisk/flying visit to the company's new office in Brussels.