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What is the chemical reaction between caesium and water?

What is the chemical reaction between caesium and water?

When caesium makes contact with water, it reacts very rapidly, and forms a colourless solution of caesium hydroxide (CsOH) and hydrogen gas (H2). This reaction is so fast, that if you tried pouring water into a test tube containing caesium (don’t do it), the glass container would shatter all over the place.

What does the beta decay of cesium 137 produce?

How does cesium change in the environment? Cesium-137 decays in the environment by emitting beta particles. As noted above, cesium-137 decays to a short lived decay product, barium-137m. The latter isotope emits gamma radiation of moderate energy, which further decays to a stable form of barium.

Is cesium alpha beta or gamma?

A legacy of atmospheric nuclear bomb tests and accidents Caesium 137 is a radioactive element with a relatively long half-life of 30.15 years. This particular isotope of caesium is both a beta and gamma emitter. It is produced in some abundance by fission reactions.

What is the decay equation for cesium 137?

Cs –> 137m56Ba + e- + νe. As the Cs-137 nuclei decay to the Ba-137m nuclei, the Ba-137m atoms remain adsorbed on the surface of the resin. But because Barium has a different chemistry than Cesium, it is more loosely bound to the resin and can be de-adsorbed with a weakly acidic salt solution containing HCI and NaCI.

How does caesium look like?

Cesium is a rare, silver-white, shiny metal with brilliant blue spectral lines; the element’s name comes from “caesius,” a Latin word meaning “sky blue.” It is the softest metal, with a consistency of wax at room temperature.

Is CsOH soluble in water?

Caesium hydroxide

Solubility in water 300 g/100 mL at 30 °C
Solubility Soluble in ethanol
Basicity (pKb) -1.76 (CsOH(aq) = Cs+ + OH–)

What element is cesium 135 after beta decay?

That means it becomes a Barium atom. If the Cesium gives up a positron from the nucleus, then the atomic number goes down one and the atomic number goes down 1 from Cs to Xe.

What type of radiation is cesium-137?

gamma rays
A Cs-137 atom emits radiation in the form of medium energy gamma rays, and to a lesser extent, high-energy beta particles, which disrupt molecules in cells and deposits energy in tissues, causing damage.

How long does it take for 50% of ba137 to decay?

Caesium-137 has a half-life of about 30.17 years. About 94.6% decays by beta emission to a metastable nuclear isomer of barium: barium-137m (137mBa, Ba-137m).