periodic table study guide 6 th grade science mr wegley borrowed from mrs. larosa how to draw bohr...
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![Page 1: Periodic Table Study Guide 6 th Grade Science Mr Wegley Borrowed from Mrs. Larosa How to Draw Bohr Diagrams](https://reader030.vdocuments.us/reader030/viewer/2022032723/56649f585503460f94c7e169/html5/thumbnails/1.jpg)
Periodic Table Study Guide
6th Grade ScienceMr Wegley
Borrowed from Mrs. Larosa
How to Draw Bohr Diagrams
![Page 2: Periodic Table Study Guide 6 th Grade Science Mr Wegley Borrowed from Mrs. Larosa How to Draw Bohr Diagrams](https://reader030.vdocuments.us/reader030/viewer/2022032723/56649f585503460f94c7e169/html5/thumbnails/2.jpg)
Bohr Diagrams
1) Find your element on the periodic table.2) Determine the number of protons – it is
the same as the atomic number.3) This is how many protons you will draw
in the nucleus.
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Bohr Diagrams
1) In the center of the paper draw that many protons.
+ +
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Bohr Diagrams
1) Then find the number of neutrons by subtracting the number of protons from the atomic mass.
2) 12 – 6 = 63) Add that many
neutrons.
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++
N
N NN
N
N
N
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Now for the
electronse-
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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.
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Bohr Diagrams
Each level hold a different amount of electrons.1st holds 22nd holds 83rd holds 84th holds 185th holds 326th holds 327th holds 188th holds 8
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Bohr Diagrams
1) Draw a nucleus with .2) Carbon is in the 2nd
period, so it has two energy levels, or shells.
3) Draw the shells around the nucleus.
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++
N
N NN
N
N
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Bohr Diagrams
1) Add the electrons.2) Carbon has 6
electrons.3) The first shell can only
hold 2 electrons.
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N
N NN
N
N
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Bohr Diagrams
1) Since you have 2 electrons already drawn, you need to add 4 more.
2) These go in the 2nd shell.
3) Add one at a time -starting on the right side and going counter clock-wise.
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N
N NN
N
N
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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.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.
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++
++
N
N NN
N
N
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Bohr Diagrams
Try the following elements on your own:
a) Hb) Hec) Od) Ale) Nef) K
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Bohr Diagrams
Try the following elements on your own:
a) H – 1 electronb) Hec) Od) Ale) Nef) K
+
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Bohr Diagrams
Try the following elements on your own:
a) Hb) He - 2 electronsc) Od) Ale) Nef) K
+
+N N
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Bohr Diagrams
Try the following elements on your own:
a) Hb) Hec) O - 8 electronsd) Ale) Nef) K
OO
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Bohr Diagrams
Try the following elements on your own:
a) Hb) Hec) O d) Al- 13 electronse) Nef) K
OO
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Bohr Diagrams
Try the following elements on your own:
a) Hb) Hec) Od) Ale) Ne - 10 electronsf) K
NeNe
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Bohr Diagrams
Try the following elements on your own:
a) Hb) Hec) Od) Ale) Nef) K - 19 electrons
KK
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Bohr Diagrams
End of Study Guide.
You should know how to draw a Bohr Diagram for
the first 20 elements.