Examlex
Covalent bonds link a water molecule's ________.
Leucippus
An ancient Greek philosopher, considered one of the earliest proponents of atomism, the theory that the universe is composed of indivisible components.
Vacuum
A space entirely devoid of matter, or having a pressure much lower than atmospheric pressure.
Law of Conservation
A principle stating that in a closed system, mass (in classical physics) or mass and energy (in quantum physics), cannot be created or destroyed, but only transformed or transferred.
Mass
Mass is a property of physical objects that quantifies the amount of matter within them, offering resistance to acceleration when a force is applied.
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