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Rowlocks should not be used as a bonding arrangement for semicircular brick arches.
Hydrogen Sulfide
A toxic, flammable gas with the formula H2S, characterized by a foul smell of rotten eggs, and found in many natural and industrial processes.
Molecule Shape
The geometric arrangement of atoms within a molecule, determining its chemical reactivity and physical properties.
Electronegativity Difference
The measure of the ability of an atom in a molecule to draw bonding electrons to itself compared to another atom in the molecule, determining the polarity of the bond.
Polar Covalent
A type of chemical bond where a pair of electrons is unequally shared between two atoms, leading to a distribution of electric charge across the molecule.
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