Examlex
When you have 4 electron groups,the electron geometry is tetrahedral.
Motherese
A simplified and often higher-pitched style of speech that adults use when talking to babies, aimed at supporting language acquisition.
Parentese
A simplified form of speech, often with exaggerated tones and sounds, used by adults when speaking to babies and young children.
Babbling
A stage in child language acquisition, where the child experimentally makes various sounds, eventually resembling the language spoken in their environment.
Receptive Vocabulary
The collection of words a person understands when heard or read, as opposed to those they actively use.
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