100/(2n) Half-life (abbreviated t1â2) is the time required for a quantity to reduce to half its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo, or how long stable atoms survive, radioactive decay.
Baby names meanings search results: The name Kellan is a baby boy name. The name Kellan comes from the Gaelic origin. In Gaelic The meaning of the name Kellan is: Slender; fair.he name Kellan is a baby boy name. The name Kellan comes from the Gaelic origin. In Gaelic The meaning of the name Kellan is: Slender; fair.
Scottish Meaning: The name Evan is a Scottish baby name. In Scottish the meaning of the name Evan is: Right handed. Welsh Meaning: The name Evan is a Welsh baby name. In Welsh the meaning of the name Evan is: Young. The Welsh form of the Hebrew John, meaning God has been gracious, or God has shown favor.