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Mastering Bohr Diagrams: Your Guide to Electron Arrangement

Learn how to draw Bohr Diagrams for the first 20 elements on the periodic table. Find out the period and energy levels of elements, and practice drawing electrons in shells. Perfect your skills with hands-on examples!

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Mastering Bohr Diagrams: Your Guide to Electron Arrangement

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  1. Periodic Table How to Draw Bohr Diagrams www.middleschoolscience.com 2008

  2. Bohr Diagrams • Find your ______on the periodic table. • Determine the ______of ______– it is the _____as the atomic ______. • This is how ______electrons you will draw.

  3. Bohr Diagrams • Find out which period (___) your element is in. • Elements in the ___ period have ___energy level. • Elements in the ___period have ___energy levels, and so on. www.chem4kids.com

  4. Bohr Diagrams • Draw a _____with the element _____inside. • Carbon is in the ___period, so it has ___energy levels, or _____. • _____the shells around the nucleus. C

  5. Bohr Diagrams • Add the _______. • Carbon has ___electrons. • The first shell can only hold ___electrons. C

  6. Bohr Diagrams • Since you have 2 electrons ______drawn, you need to add ___more. • These go in the ___shell. • Add ___at a time -starting on the _____side and going _______clock-wise. C

  7. Bohr Diagrams • Check your work. • You should have ___total electrons for Carbon. • Only ___electrons can fit in the ___shell. • The ___shell can hold up to ___electrons. • The ___shell can hold ___, but the elements in the first few periods only use 8 electrons. C

  8. Bohr Diagrams Try the following elements on your own: • H • He • O • Al • Ne • K C

  9. Bohr Diagrams Try the following elements on your own: • H – 1 electron • He • O • Al • Ne • K H

  10. Bohr Diagrams Try the following elements on your own: • H • He - 2 electrons • O • Al • Ne • K He

  11. Bohr Diagrams Try the following elements on your own: • H • He • O - 8 electrons • Al • Ne • K O

  12. Bohr Diagrams Try the following elements on your own: • H • He • O • Al - 13 electrons • Ne • K Al

  13. Bohr Diagrams Try the following elements on your own: • H • He • O • Al • Ne - 10 electrons • K Ne

  14. Bohr Diagrams Try the following elements on your own: • H • He • O • Al • Ne • K - 19 electrons K

  15. Bohr Diagrams You should know how to draw a Bohr Diagram for the first 20 elements.

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