Examlex
Which of the following elements is a alkali metal?
Kinetic Energy
The energy possessed by an object due to its motion.
Gaseous System
A collection of gas particles within a defined space, where the particles move freely and interact, applicable in studies of thermodynamics and physical chemistry.
Kinetic Energy
The energy possessed by an object due to its motion, directly proportional to the mass of the object and the square of its velocity.
Lower Explosive Limit
The minimum concentration of a vapor in air below which propagation of flame does not occur on contact with a source of ignition.
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