[DOC] [TLE] Caesium - Wikipedia [PAR] Caesium or cesium is a chemical element with symbol Cs and atomic number 55. 
It is a soft, ... It forms well-defined intermetallic compounds with antimony, gallium, 
indium, and ..... The 13th General Conference on Weights and Measures of 1967 
defined a second as: "the duration of 9,192,631,770 .... Period 6 elements... [DOC] [TLE] time - Why do atomic clocks only use caesium? - Physics Stack ... [PAR] Jun 29, 2015 ... "The time it takes for 9,192,631,770 oscillations of a a cesium-133 atom. ... "
Because that is how the second is defined" is nice - but that ... When you put all 
the possible candidate elements against this table, you find that Cs-133 is your .... 
and simply calculate the period of transition based on a comparison... [DOC] [TLE] cesium - OEDILF - Word Lookup [PAR] Cesium 133's oscillation ... A second of time is defined as the duration of 
9,192,631,770 periods of the radiation corresponding to the ... ground state of the 
caesium-133 atom, atomic symbol Cs. Cesium is the American spelling of the 
element. [DOC] [TLE] .cs (1 - 10 of 11) - OEDILF - Word Lookup [PAR] Cesium 133's oscillation ... A second of time is defined as the duration of 
9,192,631,770 periods of the radiation corresponding to the ... ground state of the 
caesium-133 atom, atomic symbol Cs. Cesium is the American spelling of the 
element. [DOC] [TLE] Base unit definitions: Second [PAR] The unit of time, the second, was defined originally as the fraction 1/86 400 of the 
mean ... The second is the duration of 9 192 631 770 periods of the radiation... [DOC] [TLE] Cumulative Examinations - Department of Chemistry - Purdue ... [PAR] Dec 12, 2009 ... Second (5) is the unit of time and used to be defined by the motion ... duration of 
9,192,631,770 periods of the radiation corresponding to ... The oscillations of the 
microwaves are then ... Figure 1 shows the setup of a Cs fountain clock. ..... For 
each parameter describe how that particular symbol represents a. [DOC] [TLE] Timekeeping History - Beagle Software [PAR] A clock is defined as a device having two qualities: ..... period of one second as 
exactly 9,192,631,770 oscillations or 9,192,631,770 cycles of ... cesium (s z - m). 
n. r> Symbol Cs A soft, silvery-white ductile metal, liquid at room temperature, the 
most electropositive and alkaline of the elements, used in photoelectric cells and
... [DOC] [TLE] cesium atoms number - Apollo [PAR] Why is a second defined as 'the duration of 9,192,631,770 periods of , ... 
Caesium or cesium is a chemical element with symbol Cs and atomic number 55 
... _second (OPS) Finding , So we find out that the number of oscillations per 
second is:... [DOC] [TLE] Just a Second... - NaturPhilosophie [PAR] Jun 24, 2015 ... The duration of 9192631770 periods of the radiation corresponding to the ... state 
of a 133 55Cs caesium isotope corresponds to one second. ... It uses a pendulum 
- a swinging weight - as its timekeeping element. ... Graphic Representation of 
the Pendulum's Oscillation Source: ..... Value, Symbol, Prefix... [DOC] [TLE] Time Unit - TheInfoList.com [PAR] ... is the second , defined as about 9 billion oscillations of the caesium atom. ... 
The SECOND (symbol: S) (abbreviated S or SEC) is the base unit of time in the ... 
It is quantitatively defined in terms of exactly 9,192,631,770 periods of a ... 
CAESIUM or CESIUM is a chemical element with symbol CS and atomic number 
55. [DOC] [TLE] Caesium-133 atom frequency -- Natural units (Dozensonline ... [PAR] Aug 6, 2010 ... In this post the symbols  and  represent ten and eleven in dozenal 
representations. ... The definition of the SI second is fairly simple:  the duration 
of 9,192,631,770 periods of the radiation corresponding to the ... L is twelve 
times the wavelength of the microwaves from the caesium-133 oscillations. [DOC] [TLE] General Chemistry Principles, Patterns, and Applications.pdf at ... [PAR] Jul 6, 2014 ... More important, Boyle defined an element as a substance that cannot be .... If the

Question: A second is defined as the period of 9,192,631,770 oscillations of this element, symbl Cs
Answer: cesium