Symbolic Understanding

Symbolic understanding is the ability to use symbols, such as words, gestures, or images, to represent objects, people, and concepts that may not be physically present. An important part of this ability is pictorial competence, or the understanding that a picture represents something other than itself. For example, recognizing a yellow circle with rays as the sun shows pictorial competence.Early Responses to PicturesSome foundations of pictorial understanding appear early in infancy. By about...

Displaced reference is an important milestone in symbolic understanding that begins to emerge around 12 months of age. It is the ability to use words to refer to objects, people, or events that are not currently visible. This ability allows infants and toddlers to learn through communication even when objects or events are not directly present.Early DevelopmentBy approximately 12 to 13 months, infants may respond to the name of an absent familiar object by looking or pointing toward the place...

Chemical bonds are complex interactions between two or more atoms or ions, which reduce the potential energy of the molecule. Gilbert N. Lewis developed a model called the Lewis model that simplified the depiction of chemical bond formation and provided straightforward explanations for the chemical bonds seen in most common compounds. Lewis Model The Lewis model depicts chemical bond formation by the sharing or transfer of valence electrons, which helps to attain a stable electron...

A chemical symbol is an abbreviation used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. The same symbol is used to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain). Some symbols are derived from the common English name of the element; others are abbreviations of the name in another language — Latin, Greek or German. For example, the symbol for aluminum (common name)...

A chemical symbol is an abbreviation that is used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. We use the same symbol to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain). Some symbols are derived from the common name of the element; others are abbreviations of the name in another language. Most symbols have one or two letters, but three-letter symbols have been used...