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While at the dinner table, Patrick knows that it is okay to eat his roll with his fingers, but not his mashed potatoes. Patrick's behavior reflects his understanding of
Atomic Weight
The average mass of atoms of an element, calculated using the relative abundance of isotopes in a naturally-occurring element.
Structural Formula
A type of chemical formula that shows the spatial arrangement of the atoms in a molecule. Compare with the simplest formula and molecular formula.
Molecular Formula
The type of chemical formula that gives the actual numbers of each type of atom in a molecule. Compare with simplest formula and structural formula.
Lewis Structure
A graphical representation of the valence electrons in molecules, showing how the atoms are bonded together and the lone pairs of electrons.
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