user-avatar
huy240701
2 năm trước
Lập CTHH của các chất sau và tính PTK: a) Hợp chất A gồm : Al với Cl ( cho là một la mã) b) Hợp chất B gồm : Fe ( cho 3 la mã) và nhóm (NO3) ( cái này thì mình ko ghi 3 dưới đc) c) Hợp chất D gồm : Mg với nhóm ( SO4) ( cái này cũng ko ghi số 4 dưới đc)
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Jane usually (go) goes to work at 6.45 2. Phuong and Chi ( watch ) watch TV in the evening 3. Lucy ( not listen ). doesnot listen to music in the afternoon 2. Hoa ( have )............…………....... classes from 2 to 5 p.m 3. Chi ( take )............………….......a shower every morning? 4. The children ( get )............………….......up at six. 5. Mai ( not have )............………….......lunch at home 6. We ( not play )............………….......soccer 7. Hoa (have) ...........…………....... a lot of friends in Hue. 8. Nam and Trang always (visit) their grandparents on sundays. 9. My father (listen) ...........…………....... to the radio everyday. 10. The children (like) ...........…………....... to play in the park. 11. She (not live) ...........…………....... with her parents. 12. Lan (brush) ...........…………....... her teeth after meals. 13. The students (not go) ...........…………....... to school on Sunday. 14. We (not drive) ...........…………....... to work everyday. We (go) _____ by bus. 15. Where your new friend (live) ...........…………......., Nga? She (live) ...........…………....... on Hang Bac Street.

1. Jane usually (go) goes to work at 6.45 2. Phuong and Chi ( watch ) watch TV in the evening 3. Lucy ( not listen ). doesnot listen to music in the afternoon 2. Hoa ( have )............…………....... classes from 2 to 5 p.m 3. Chi ( take )............………….......a shower every morning? 4. The children ( get )............………….......up at six. 5. Mai ( not have )............………….......lunch at home 6. We ( not play )............………….......soccer 7. Hoa (have) ...........…………....... a lot of friends in Hue. 8. Nam and Trang always (visit) their grandparents on sundays. 9. My father (listen) ...........…………....... to the radio everyday. 10. The children (like) ...........…………....... to play in the park. 11. She (not live) ...........…………....... with her parents. 12. Lan (brush) ...........…………....... her teeth after meals. 13. The students (not go) ...........…………....... to school on Sunday. 14. We (not drive) ...........…………....... to work everyday. We (go) _____ by bus. 15. Where your new friend (live) ...........…………......., Nga? She (live) ...........…………....... on Hang Bac Street.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team