cesium 133
131Cs, 人造, 9.689 天 · ε, 0.358, Xe. 133Cs, 100%, 穩定，帶78粒中子. 134Cs, 人造, 2.0650 年 · ε, 1.235, Xe · β, 2.059, Ba. 135Cs, 痕量, 1.33×106 年 · β, 0.269 ... ,It is the least electronegative element, with a value of 0.79 on the Pauling scale. It has only one stable isotope, caesium-133. Caesium is mined mostly from ... ,In quantum mechanics: Cesium clock …the ground state of the cesium-133 atom. Prior to 1967, the second was defined in terms of the motion of Earth. ,Cesium-133 is the only natural isotope (100% natural abundance). Cesium has no known biological role, but may substitute for potassium and so is relatively ... ,Nowadays, Cesium-133 is used as the definition for the second due to the reliable frequency of microwave it emits. The definition is: The second is the ... ,2021年8月27日 — So it just happens to be the case that caesium-133 has transition energy in the right energy range and it was used in atomic clocks. So it was ... ,The meaning of CESIUM 133 is an isotope of cesium used especially in atomic clocks and one of whose atomic transitions is used as a scientific time ... ,Cesium 133 - Cs133. It took 44.200 liters of mineral water from Bad Dürkheim to detect the heavy alkali metal cesium for the first time. ,2020年1月9日 — Natural cesium is pure cesium-133 (55 protons and 78 neutrons in the nucleus, 55+78=133): it is non-radioactive. Cesium-133 atoms are sent ...
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 cesium 133 相關參考資料
銫的同位素 - 維基百科
131Cs, 人造, 9.689 天 · ε, 0.358, Xe. 133Cs, 100%, 穩定，帶78粒中子. 134Cs, 人造, 2.0650 年 · ε, 1.235, Xe · β, 2.059, Ba. 135Cs, 痕量, 1.33×106 年 · β, 0.269 ... https://zh.wikipedia.org Caesium
It is the least electronegative element, with a value of 0.79 on the Pauling scale. It has only one stable isotope, caesium-133. Caesium is mined mostly from ... https://en.wikipedia.org Cesium-133 | radioisotope
In quantum mechanics: Cesium clock …the ground state of the cesium-133 atom. Prior to 1967, the second was defined in terms of the motion of Earth. https://www.britannica.com Cesium 133 - an overview
Cesium-133 is the only natural isotope (100% natural abundance). Cesium has no known biological role, but may substitute for potassium and so is relatively ... https://www.sciencedirect.com Cesium
Nowadays, Cesium-133 is used as the definition for the second due to the reliable frequency of microwave it emits. The definition is: The second is the ... https://energyeducation.ca Why was Cesium-133 atom chosen for defining "1 second ...
2021年8月27日 — So it just happens to be the case that caesium-133 has transition energy in the right energy range and it was used in atomic clocks. So it was ... https://www.reddit.com Cesium 133 Definition & Meaning
The meaning of CESIUM 133 is an isotope of cesium used especially in atomic clocks and one of whose atomic transitions is used as a scientific time ... https://www.merriam-webster.co Cesium 133 - Cs133 isotope
Cesium 133 - Cs133. It took 44.200 liters of mineral water from Bad Dürkheim to detect the heavy alkali metal cesium for the first time. https://en.institut-seltene-er What is a "cesium atomic clock"?
2020年1月9日 — Natural cesium is pure cesium-133 (55 protons and 78 neutrons in the nucleus, 55+78=133): it is non-radioactive. Cesium-133 atoms are sent ... https://nrc.canada.ca |