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.
Meaning of Kellan. Irish name. In Irish, the name Kellan means-powerful. Other origins for the name Kellan include-Irish, Gaelic, Gaelic.The name Kellan is most often used as a boy name or male name.Irish Name Meaning-powerful. Origin-Ireland.ther origins for the name Kellan include-Irish, Gaelic, Gaelic.The name Kellan is most often used as a boy name or male name.
Aiden is an uncommon first name for males. Aiden is a unique surname too for all people. (2000 U.S. Census). Charted below is the baby name popularity of Aiden for boys.Aiden was first listed in 1995 and reached its peak rank of #9 in the U.S. in 2011, and is currently at #14.iden /ai-den/ [2 sylls.] as a boys' name is of Gaelic derivation, and the meaning of Aiden is fire.