Typical houses in the row feature porches with hip roofs, wooden posts with chamfered and reeded details, lattice-shaped valences, and ornamental brackets.
This group investigated proton structure and discovered that proton spin was not carried by the valence quarks, which overturned the previous predictions.
The number of electrons in each element's electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior.