electronegativity

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What EXACTLY is a Bond?

by msander | Oct 1, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry

In basic chemistry, they tell you there are only a few types of bonds between atoms. Not only is this false, but putting bonds into categories can be dangerous… for your...

Bending Water

by msander | Jun 22, 2015 | Gr 4-6 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry

In this demo, a polyethylene rod is charged by rubbing with wool. The charged rod is then used to bend a stream of water flowing from a tap. This demo is part of the STAO grade 9/10 demo collection – a series of engaging demos and activities specifically...