Examlex
What are the two essential features of true experimental designs?
Hydrogen Bond
A weak attractive force existing between a hydrogen atom with a partial positive charge and an electronegative atom (usually oxygen or nitrogen) with a partial negative charge. Compare with covalent bond and ionic bond.
Van der Waals Interaction
A type of weak interaction between molecules due to transient electric dipole moments, influencing molecular structure and function.
Ionic Bond
A type of chemical bond formed through the electrical force between oppositely charged ions.
Calorie
A unit of energy often used to quantify the amount of energy food provides to the human body.
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