Chemical bonding | Chemistry | Khan Academy - Valence electrons and ionic compounds | AP Chemistry | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:valence-electrons-and-ionic-compounds/v/valence-electrons-and-ionic-compounds Want to explore more? Check out the full Chemical bonding playlist here: https://youtube.com/playlist?list=PLSQl0a2vh4HAYCvTHhMGsNvLS-btVPXRw&si=Y3r07zffIQjVpcET When forming ions, elements typically gain or lose the minimum number of electrons necessary to achieve a full octet. For example, fluorine has seven valence electrons, so it is most likely to gain one electron to form an ion with a 1- charge. We can use this method to predict the charges of ions in ionic compounds. Sections: 00:00 - Why periodic groups matter 00:20 - Valence electrons and element similarity 01:08 - The octet rule and noble gases 02:12 - Halogens and their reactivity 02:54 - Oxygen group elements gaining electrons 03:27 - Alkali metals losing electrons 04:30 - Alkaline earth metals losing two electrons 05:01 - How ionic compounds form 06:27 - Ionic compounds with alkaline earth metals ------------------ Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc