Examlex
When a taboo subject is being raised in the group a member in this role often intervenes:
Si
The chemical symbol for silicon, a hard, brittle crystalline solid used in semiconductors and as a component of various alloys.
As
A symbol for the chemical element arsenic, which is a metalloid known for its various allotropes and toxicity in many compounds.
Lewis Structures
Illustrations that depict how atoms within a molecule bond together and also visualize any unpaired electrons that might be present.
Covalent
Describing a type of chemical bond formed by the sharing of electrons between atoms.
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