Nguyên tử Z có tổng số hạt bằng 58 và có khối nhỏ hơn 40. xác định thành phần cấu tạo của các nguyên tử Z. ?

giúp mình giải chi tiết dc ko ạaa

Muon tim hai so khi biet hieu va ti so cua hai so , ta lam nhu the nao

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giúp em với ạ em sẽ cho 5 sao và 1 tim ạ

i=220 (sin 314t +45 ) (a) L=100mH TÍNH U , VIẾT BIỂU THỨC VECTO

Viết 1 bài văn thuyết minh về cái quạt (có sử dụng biện pháp nghệ thuật nhân hóa) (*tự viết)

Xã hội phong kiến trung quốc đã đc hình thành như thế nào ? Sự thịnh vượng của trung quốc hình thành dưới thời đường đc biểu hiện ở những mặt nào Bài 4 Trung Quốc thời phong kiến nha

Muon tim hai so khi biet tong va ti so cua hai so , ta lam nhu the nao

1. Mrs. Amenuelle told to Alice to give her a hand. 2. John said the taxi driver to turn left at the first traffic lights. 3. Mary ordered John if he could carry her suitcase, please. 4. Johnson Nancy Lee asked me if would I like to have dinner with her. 5. Hoa asked Lan whether did she like sports or not. 6. John told to David if he could ride his bicycle to school. 7. Phong asked Peter whether he enjoys reading books or not. 8. Mary promised her boy friend that she would expect to see him next Wednesday. 9. A tourist asked how far was it from Hồ Chi Minh City to Huế. 10. He asked Lan how many people there are in her family. 11. Minh’s friends asked him how long would he stay in Paris. 12. She asked me if he wants to buy any second-hand books. 13. He wanted to know Hồng if would have time to play badminton regularly. 14. My mother told me that I work very ha rd. 15. He said they had a lift very often but it doesn’t work. 16. The teacher asked me if I could answer this question. 17. I asked his mother if he went to work by bus or not. 18. He promised me he’ll come with you as soon as he was ready. 19. My brother said he must to write some letters then. 20. Peter asked me did not to stay up late and advised me to go to bed early.