Periodic trend of valency Chemistry Khan Academy

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=ge1lyL8UVaI

Valency first increases and then decreases as we go from left to right in a period but remains the same in a group. Let's see why. • More free lessons practice https://www.khanacademy.org/science/i... • 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 here: https://www.khanacademy.org/donate?ut... • Created by Ram Prakash

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