Đáp án:
liên kết trong phân tử của các đơn chất halogen là liên kết cộng hóa trị có cực liên kết ion liên kết cho nhạn liên kết cộng hóa trị không cực
Giải thích các bước giải:
cho mik 5 sao + câu trả lời hay nhất+ cảm ơn nha
Viết 1 đoạn văn tiếng anh về phim titanic KO CHÉP MẠNG NHÉ!!!
Tính tỉ lệ phần trăm và số lượng từng loại nu ở mỗi mạch
Làm giúp em câu này với ạ: Lập dàn ý phân tích vẻ đẹp hình tượng nhân vật Ngô Tử Văn - Yêu cầu ngắn gọn khoa học, nêu rõ luận điểm luận cứ
Buồn ngủ quá~ Ai vẽ giúp bé Anime đi Nam nữ gì cx đc hết
Last summer, Mary went to Ho Chi Minh City with her parents. They flew there. It took them 18 hours. They stayed in a big hotel. It was clean and comfortable. On the first day, they visited Nha Rong port, Reunification Palace and some other places of interested. On the second day, they visited Cu Chi tunnels where they were amazed by hundreds of kilometres of underground defense works used during the war. Finally, they went to Vinh Nghiem pagoda and the Duc Ba Cathedral and they were really interested in the special atmosphere of peace and dignity there. After three days in Ho Chi Minh City, they went to Hue to visit some citadels there. They really enjoyed their stay in Viet Nam. 1/ Mary and her family went to H Chi Minh City by ... A. coach B. bus C. plane D. train 2/ From their country, it took them ........... to fly to Ho Chi Minh City. A. half a day B. fifteen hours C. a day D. eighteen hours 3/ They stayed in a ........... A. restaurant B. house C. hotel D. motel 4/ They went to Hue after ......... visiting to Ho Chi Minh City. A. some day B. three days C. four days D. five days 5/ They really............... A. interesting in the journey in Viet Nam. B. hated the journey in Viet Nam. C. liked Viet Nam. D. enjoyed their stay in Viet Nam.
Cho 13g kẽm vào dung dịch axit clohidric. Sau phản ứng thu được V(lit) khí hidro ở đktc a. Tính V và khối lượng muối thu được sau phản ứng b. Cho toàn bộ lượng khí hidro thu được ở trên đi qua đồng (II) oxit . Hãy tính khối lượng đồng thu được sau phản ứng. (biết Cu=64; Cl=35,5 ; Zn=65; H =1)
I. ADJECTIVES AND ADVERBS: A. Nhieàu traïng töø chæ theå caùch trong tieáng Anh ñöôïc hình thaønh baèng caùch theâm LY sau tính töø. Neáu tính töø taän cuøng baèng Y thì Y ñöôïc chuyeån thaønh i tröôùc khi theâm LY. Neáu tính töø taän cuøng baèng IC thì ta thöôøng theâm AL tröôùc khi theâm LY. - EX: - careful -> carefully ; quick -> quickly ; lucky -> luckily ; traditional -> traditionally ; effective - > effectively ; scientific -> scientifically B. Moät soá tính töø taän cuøng baèng LY : lively, friendly, silly, lovely… C. Well = in good health (khoeû) : How are you ? Very well, thank you. D. Moät soá tính töø coù traïng töø khoâng ñoåi: fast -> fast ; late -> late ; hard -> hard ; far -> far ; early -> early E. Lately = recently : gaàn ñaây Hardly + any/ anybody/ anyone/ anything/ anywhere= Hardly ever = almost never : haàu nhö khoâng F. EXERCICES: 1 .Choose the correct form: 1.- I heard Daniel isn’t very ………….(good/ well) - Well, he fell and hurt himself quite ………..(badly/ bad) 2. – There was a ……….(terrible/ terribly) accident on this road two days ago, wasn’t there? - Yes, two people were killed and the driver of the car was …………(serious/ seriously) injured. 3. - The weather was so ……….awful/ awfully) yesterday. - yes, it was raining quite ………..(heavy/ heavily) so we stayed at home all day. 4. You haven’t cleaned the floor ………….(proper/ properly). It still …………(dirty/ dirtily) Oh,sorry. I is still…………..(dirty/ dirtily). 5. You didn’t look very ……….(happy/ happily) last night. Well, I was disapointed that I did so ………..(bad/ badly) in the exam. 6. – Can you remember what happen? - I can’t remember …….(clear/ clearly).It all happened so ………(sudden/ suddenly) 7. Don’t go up that ladder. It doesn’t look ……….(safe/ safely) - Don’t worry. I’ll climb …………(careful/ carefully). 8. Did you go to Sally’s birthday party? - Yes, It was really a ………..(cheerful/ cheerfully) party.Everybody at the party was …….. (colrful/ colorfully) dressed. 9. – Why do you look so …..(nervous/ nervously)? - Oh, my! I’ve just got a mistake. I interupted my boss while he was on the phone, and he looked at me ……..(angry/ angrily) when I interupted him. 10. – Have you seen Richard ………..(recent/ recently)? - yes, I just met him at Rose’s party two days ago. He seemed very (unhappy/ unhappily). He smiled …………..(sad/ sadly) at me when he saw me. 2. Put in the adverbs: 1. Emma’s toothache was terrible. Emma’s tooth ached ………………………….. 2. Henry was angry. Henry shouted …………………………….. 3. I’m happy sitting here. I can sit here ………………………………………….. 4. He was very thoughtful standing there. He stood there ……………………………………….. 5. The chidren seemed cheerful. The children played ………………………………… 6. The switch is automatic. The machine switches itself off ………………………………… 7. james is very good at speaking English. James speaks English …………………………….. 8. The debate should be public. We need to debate the matter …………………………….. 9. She was charming. She walked ……………………. In front of the audience. 10. Everyone was enthusiastic. Everyonr discussef the idea ………
màu lông superior vẽ đẹp bằng bút lông touchiit ko mấy bạn
Hấp thụ hoàn toàn 2,24 lít khí so2 (đkc) vào 100ml dung dịch NaOH 2M. tính khối lượng thu được sau phản ứng? giải giúp mình vs ạ
- Giải thích điện hóa trị của S thông qua hợp chất Na2S.
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