Atomic number, mass number, and isotopes | Chemistry | Khan Academy
Δημοσιεύτηκε στις 10 Ιουν 2014
How to use the atomic number and the mass number to represent different isotopes
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Chemistry
on Khan Academy: Did you know that everything is made out of chemicals?
Chemistry is the study of matter: its composition, properties, and
reactivity. This material roughly covers a first-year high school or
college course, and a good understanding of algebra is helpful.
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Watch the next lesson: https://www.khanacademy.org/science/c...
Missed the previous lesson? https://www.khanacademy.org/science/c...
Chemistry
on Khan Academy: Did you know that everything is made out of chemicals?
Chemistry is the study of matter: its composition, properties, and
reactivity. This material roughly covers a first-year high school or
college course, and a good understanding of algebra is helpful.
About
Khan Academy: Khan Academy offers practice exercises, instructional
videos, and a personalized learning dashboard that empower learners to
study at their own pace in and outside of the classroom. We tackle math,
science, computer programming, history, art history, economics, and
more. Our math missions guide learners from kindergarten to calculus
using state-of-the-art, adaptive technology that identifies strengths
and learning gaps. We've also partnered with institutions like NASA, The
Museum of Modern Art, The California Academy of Sciences, and MIT to
offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channel/UCyEo...
Subscribe to Khan Academy: https://www.youtube.com/subscription_...
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