by Margaret Mary McFadyen | Mar 29, 2021 | Concept
VSEPR theory (Valence Shell Electron Pair Repusion) is what we use to explain the shapes of molecules in Chemistry. I have said before that Size Matters in Chemistry, but shape also matters. We can talk about the VSEPR as a starter, all the way up to enzymes, and...
by Margaret Mary McFadyen | Nov 2, 2020 | Concept
The Power of Three is a commonly used phrase that you might be familiar with. For example, you might have watched “Charmed”. Perhaps you studied Martin Luther King’s “I have a dream” speech, or Tony Blair’s “Education,...
by Margaret Mary McFadyen | Oct 16, 2020 | Concept
Size does matter in Chemistry. It matters a lot. Here are just some of the ways that size does matter. Reactivity: As you go down any of the groups in the Periodic Table, the size of the atoms increases. One more electron shell has been added each time. It has...
