Electronegativity Demonstration Device

Build a simple demonstration device to demonstrate the electron tug-of-war between atoms.
This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free professional development training for chemistry teachers - elearning.flinnsci.com
ATTENTION: This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting.
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[@nihatarter8750]

Thank you sir. Very helpful to understand.

[@yvonnearthur8080]

Awesome. How did you get the different pull lengths for C and F

[@yvonnearthur8080]

Got it.. thicker vrs thinner rubber band.

[@PRIYAGupta-oy6pu]

Great

[@hongkongsmartboy]

Which is more electronegative, N or Cl?