Examlex
Preschool children learn and apply syntax rules. The grammatical error we observe in the question "When we are going outside?" is an example of difficulty with mastering
Molecule
The smallest physical unit of an element or compound, consisting of one or more atoms held together by chemical forces.
Ion
A molecule or atom that has acquired an overall electric charge from either losing or gaining electrons.
Hydrogen Bond
Hydrogen atoms bound covalently to either N or O atoms have a small positive charge that is weakly attracted to the small negative charge of other atoms, such as O or N; it can occur within a molecule or between different molecules.
Intermolecular
Pertaining to forces or interactions that occur between molecules.
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