Câu hỏi: Electron được tìm ra vào năm 1897 bởi nhà bác học người Anh Tom-xơn. Đặc điểm nào dưới đây không phải của electron? Lời giải tham khảo: Đáp án đúng: C Ta có: me= 9,1094.10-31 kg; mH= 1,6738.10-27 kg ≈ 1u → mH= 1840me. Điện tích: qe= -1,602.10-19 C. Trong thí nghiệm của nhà bác học, màn huỳnh […]
Đề tham khảo Đánh giá năng lực (ĐGNL) – ĐH Quốc Gia Hà Nội – 2022 – Số 1========== booktoan.com chia sẻ đến các em Đề tham khảo Đánh giá năng lực (ĐGNL) – ĐHQG Hà Nội – 2022 – Lần 1. Đề có đáp án chi tiết giúp các em đối chiếu, tham khảo […]
Referring to an insect farm, people often think of fields, barns and muddy boots. But now it’s often a high-tech, fully automated facility, inside a commercial warehouse in an industrial park. Protix is one such farm, located in the town of Bergen op Zoom, a metropolitan area and city in the south of the Netherlands. […]
Fans of the popular post-apocalyptic series have been waiting a long time to see the day the game gets turned into a TV series. According to Variety, the Amazon-backed show Fallout has signed Jonathan Nolan, the younger brother of the famous Nolan director. The source said that Jonathan Nolan will be the main person responsible […]
Saigon Newport Corporation has just had an information leak on one of the famous hacker forums Raidforums – where information leaks like BKAV, TGDD have been recently. As far as is known, the account is named “cityofhanporridge“post and claim to have direct access to Tan Cang’s developed software system, technical diagrams related to the system, […]
Nikola Tesla is a great scientist and his name is used by two electric car companies, Nikola Motors and Tesla. Ironically in 2018, Nikola filed a lawsuit against Tesla, accusing Tesla of infringing on the design patents on the Tesla Semi electric truck. Nikola believes that Tesla stole the design from their Nikola One. In […]
Câu hỏi: Oxit của A có công thức hóa học AxOy là hợp chất khí, trong đó oxi chiếm 69,57% về khối lượng. Biết rằng 5,6 lít khí này ở đktc có khối lượng là 11,5 gam. Cho các phát biểu sau: (1) Nguyên tố A thuộc chu kì 2 của bảng tuần hoàn. (2) A […]
After becoming Fat Thor in Avengers: Endgame, the God of Thunder will return to his muscular physique in Thor: Love and Thunder, and the driving force behind that transformation is probably none other than Jane Foster. Despite being the only member of the original Avengers to have a solo movie after the events of Avengers: […]
Many Vietnamese students are now studying online, right? Indeed, online learning is very fun and I am also quite free in class, but the problem of online learning is that there are too many assignments and too many projects and following with these is an extremely tight deadline? Don’t worry, I will introduce websites that […]
Câu hỏi: Choose the word whose underlined part is pronounced differently from that of the others: degree, doctorate, graduate, kindergarten Lời giải tham khảo: Đáp án đúng: C degree /dɪˈɡriː/ doctorate /ˈdɒk.tər.ət/ graduate /ˈɡrædʒ.u.ət/ kindergarten /ˈkɪn.dəˌɡɑː.tən/ Đáp án A, B, D phát âm là /d/. Đáp án C phát âm là /dʒ/ Đáp án: C Hãy suy nghĩ và […]