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# How to-bohr-diagram[1]

### How to-bohr-diagram[1]

1. 1. Periodic Table Study GuideHow to Draw Bohr Diagrams www.middleschoolscience.com 2008
2. 2. Bohr Diagrams1) Find your element on the periodic table.2) Determine the number of electrons – it is the same as the atomic number.3) This is how many electrons you will draw.
3. 3. Bohr Diagrams • Find out which period (row) your element is in. • Elements in the 1st period have one energy level. • Elements in the 2nd period have two energy levels, and so on. www.chem4kids.com
4. 4. Bohr Diagrams 1) Draw a nucleus with the element symbol inside. 2) Carbon is in the 2ndC period, so it has two energy levels, or shells. 3) Draw the shells around the nucleus.
5. 5. Bohr Diagrams 1) Add the electrons. 2) Carbon has 6 electrons.C 3) The first shell can only hold 2 electrons.
6. 6. Bohr Diagrams 1) Since you have 2 electrons already drawn, you need to add 4 more. 2) These go in the 2ndC shell. 3) Add one at a time - starting on the right side and going counter clock-wise.
7. 7. Bohr Diagrams 1) Check your work. 2) You should have 6 total electrons for Carbon. 3) Only two electrons can fit in the 1st shell.C 4) The 2nd shell can hold up to 8 electrons. 5) The 3rd shell can hold 18, but the elements in the first few periods only use 8 electrons.
8. 8. Bohr Diagrams Try the following elements on your own: a) H b) HeC c) d) O Al e) Ne f) K
9. 9. Bohr Diagrams Try the following elements on your own: a) H – 1 electron b) HeH c) d) O Al e) Ne f) K
10. 10. Bohr Diagrams Try the following elements on your own: a) H b) He - 2 electronsHe c) O d) Al e) Ne f) K
11. 11. Bohr Diagrams Try the following elements on your own: a) H b) HeO c) O - 8 electrons d) Al e) Ne f) K
12. 12. Bohr Diagrams Try the following elements on your own: a) H b) HeAl c) O d) Al - 13 electrons e) Ne f) K
13. 13. Bohr Diagrams Try the following elements on your own: a) H b) HeNe c) O d) Al e) Ne - 10 electrons f) K
14. 14. Bohr Diagrams Try the following elements on your own: a) H b) HeK c) O d) Al e) Ne f) K - 19 electrons
15. 15. Bohr Diagrams End of Study Guide.You should know how to draw a Bohr Diagram for the first 20 elements.

Jul. 24, 2020
• #### Ivold

Jul. 30, 2015
• #### jastoor9

Mar. 26, 2015

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