Answer:
Crystalization is solidfying of atoms or molecules or things,,it can be speeded up depends on nature of something in terms of it's molecular force of attraction eg sand and loam soil also temperature and pressure above the sure to be crystalized
An igneus rock is formed where magma(molten rock) cool and solify(crystalized especially in volcanoes areas
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Robert A. Millikan and Harvey Fletcher performed the oil drop experiment.
Chemical property. Chemical property refers to the characteristic changed
Mercury (Metal) is in liquid form at room temperature
Bromine (Non-Metal) is in liquid form at room temperature
Most of the elements are solid, 11 gases and 6 liquids