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Atoms and ions for Chemistry classes

66e5f50e-f24a-415b-83ee-c858adbd98c7.jpg Atoms and ions for Chemistry classes
1b8ddd39-66da-454f-9e0f-ffcb70ae7f16.jpg Atoms and ions for Chemistry classes
8649b0d1-50c2-44f8-8590-b05b660795ee.jpg Atoms and ions for Chemistry classes
Nat +[)- Cl + Na Ieee) ACRE Atoms and ions for Chemistry classes
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  • 26385606-4349-4276-a05c-5e77d8e97e05.dxf
  • de7c1b5f-4e12-4d28-86e7-e4ffda460842.svg

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Publication date 2022-09-21 at 23:00
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Published to Thingiverse on: 2022-09-21 at 02:12
Design number 855907
almateus

almateus

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3D model description

Use the image to laser cut representations of atoms and ions for your students to use in the classroom. The pieces were cut in a thick cardboard.

These can be used to help your students to balance chemical equations and to grasp the idea of reactants in excess, when teaching stoichiometry.

Some of the possible reactions with these pieces:

2 H2 + O2 --> 2 H2O

N2 + 3 H2 ---> 2 NH3

Pb(NO3)2 + 2 KI ---> PbI2 + 2 KNO3

To cut the pieces and engrave the letters, be sure to set two different modes in the laser cutter, one for each color. In my file I have black for cutting and red for engraving (scan mode). To cut I set a higher laser power and slower speed than when engraving. The settings will change depending on your laser power. Make some tests with a small part of the image to get the best settings for your machine.

There are many formats for vector files, I hope that these work for you. You can open the SVG file on Inkscape (free software) and find one format that works for you.

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