【中３　理科　化学】　原子の構造　（１４分）

Watch all the lessons from Try's talented instructors for free! Try IT video lessons for junior high and high school students are designed to be easy to understand! You can use them to prepare and review for school, as well as for regular tests and exam preparation. The lessons are taught by top instructors with plenty of teaching experience, who are known for their fun and easy-to-understand teaching methods. *This lesson is a video created during the old curriculum. *Please be careful when watching it to prepare for entrance exams or regular tests for the new curriculum. If you watch the video and think, "It's easy to understand!" or "I want to take a class like this!", Try's individual instruction may be right for you. For details on Try's individual instruction service, to request materials, or to contact us, please click here. https://bit.ly/4hjhKSE In addition, +‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥+ Try offers free video lessons, "Try IT," to support home learning. "Try IT" can be used free of charge even by non-members. Please use it to prepare for exams and improve your home study. Video Lessons Try IT Official Website here: https://bit.ly/4jLULBg +‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥+ In this video lesson, you can learn about "Atom Structure (3rd Year Junior High School Science Chemistry)" in about 14 minutes. The main point of this lesson is that atoms are made up of a nucleus made up of protons and neutrons and electrons. Please watch the video lesson in the following order: [Start] ⇒ [Points of this lesson] ⇒ [This will also be on the test! ] ⇒ [Practice] ⇒ [Summary]. If there is a unit other than this one that you do not understand, please click on the URL below. You can watch the video lessons for each unit together. ■If you have any questions about "1st Year Junior High School Science Biology", please click here! ・Biology Observing living things Living things around us https://goo.gl/G2pk2h ・Biology Plant properties (pollination, photosynthesis, transpiration, respiration, etc.) https://goo.gl/XWM7Tp ・Biology Plant classification https://goo.gl/1xAkmv ■If you have any questions about "1st year junior high school science chemistry," click here! ・Chemistry: The appearance of matter (metals, density) https://goo.gl/n3kJ5i ・Chemistry: The appearance of matter (organic matter, inorganic matter) https://goo.gl/gTlhoZ ・Chemistry: The appearance of matter (gas generation) https://goo.gl/M8bBaq ・Chemistry: The appearance of matter (properties of aqueous solutions) https://goo.gl/drn8qB ・Chemistry: The appearance of matter (changes in state) https://goo.gl/NOCXah ■If you have any questions about "1st year middle school science, physics," click here! ・Physics: The properties of light https://goo.gl/V8Cq67 ・Physics: The properties of sound https://goo.gl/5nznXC ・Physics: Types and properties of forces https://goo.gl/NZlhKs ■If you have any questions about "1st year middle school science, earth science," click here! ・Geology: Changes in the Earth (Volcanoes, Earthquakes, Igneous Rocks) https://goo.gl/0gJovN ・Geology: Changes in the Earth (Fossils, Sedimentary Rocks, Strata) https://goo.gl/mdFaa4 ■If you have any questions about "2nd Year Middle School Science: Biology", click here! ・Biology: The structure of cells and the body (digestion, blood, nerves, bones, etc.) https://goo.gl/Dlmi0L ・Biology: Vertebrates and Invertebrates https://goo.gl/OdS96K ■If you have any questions about "2nd Year Middle School Science: Chemistry", click here! ・Chemistry Chemical changes https://goo.gl/w1SdNC ・Chemistry Atoms and molecules https://goo.gl/a4LqdU ・Chemistry Chemical changes (chemical reaction equations, oxidation and reduction) https://goo.gl/hJU6XL ■If you have any questions about "2nd year middle school science physics", click here! ・Physics Electricity https://goo.gl/oRKlBZ ・Physics Electricity and magnetism https://goo.gl/goX43L ■If you have any questions about "2nd year middle school science earth science", click here! ・Geology Weather and its changes https://goo.gl/dkkuwT ・Geology Weather and its changes (atmospheric pressure and fronts) https://goo.gl/y60Asi ・Geology Weather and its changes (how clouds form) https://goo.gl/NB3rCW ■If you have any questions about "3rd year middle school science biology" click here! ・Biology Cell division https://goo.gl/cy0tly ・Reproduction of organisms https://goo.gl/weUdcn ・Heredity of organisms https://goo.gl/yU3jpP ■If you have any questions about "3rd year middle school science chemistry" click here! ・Chemistry Oxidation and reduction https://goo.gl/4E5vXw ■If you have any questions about "3rd year middle school science physics" click here! ・Physics: Movement https://goo.gl/xKXKLG ・Physics: Movement and Energy https://goo.gl/rW0W0I ■If you have any questions about "Geology" in 3rd year middle school science, please click here! ・Geology: The Milky Way and the Solar System https://goo.gl/cZXSEm ・Geology: Movement of the Stars https://goo.gl/Jd3fJ3 ...