Brian was a participant in the Understanding Chemical Bonding Project. He was interviewed on 4 occasions during his college chemistry course.
Electrons repel each other, keeping them out of the nucleus
It’s covalent bonding where the electrons are shared to create a full outer shell
There's ionic bonding in a sodium chloride molecule
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Dr Keith S Taber kst24@cam.ac.uk
University of Cambridge Faculty of Education
© Keith S Taber