- Duration: 0:24. Edited for clarity in what I meant: Perhaps the amount of cesium used in the gif is much smaller than that seen in the video, assuming similar volumes of water are used. The heat of reaction is sufficient to melt it. The molten metal spreads over the water and exposes a larger surface to water. Water pills (Diuretic drugs) interacts with CESIUM Large amounts of cesium can decrease potassium levels in the body. Some water-reactive substances are also pyrophoric, like organometallics and sulfuric acid, and should be kept away from moisture. The answer to “Elemental cesium reacts more violently with water than does elemental sodium. At least that's what they said. Thermodynamic properties of substances The solubility of the substances Periodic table of elements. The Group 1 metals become more reactive towards water as you go down the Group. Caesium (cesium in USA) metal reacts rapidly with water to form a colourless solution of caesium hydroxide (CsOH) and hydrogen gas (H2). Explaining the trend in reactivity. Hope this helps! Picture of reaction: The most reactive metal, cesium, reacts with water to produce an explosive gas and a base. Lithium just sizzles on top of the water (see Table 1 for densities). The reaction is very exothermic. This reduces the ionic mobility which in turn reduces the speed of the molten metal. In each reaction, hydrogen gas is given off and the metal hydroxide is produced. Caesium. Find another reaction. The resulting solution is basic because of the dissolved hydroxide. Caesium explodes on contact with water, quite possibly shattering the container. Or perhaps the metal in the gif isn't pure cesium (but then other metals similar to cesium would still provide violent results). Cesium react with water. Balance it: 2Cs + 2 H2O --> 2CsOH + H2. Caesium hydroxide and hydrogen are formed. Rubidium hydroxide (RbOH) solution and hydrogen gas are formed as results. "Water pills" can also decrease potassium in the body. Water: H2O. The formula for cesium is Cs, it is a simple element. 1,422 points • 278 comments - Cesium reacts with water - IWSMT has amazing images, videos and anectodes to waste your time on Actually, they faked the reaction of rubidium and caesium with water since they thought they were not spectacular enough for TV. One pseudo-science programme on TV showed the reaction between water and the different group one alkali metals, namely lithium, sodium, potassium, rubidium and caesium. Our channel. 2Cs + 2H 2 O → 2CsOH + H 2 [ Check the balance ] Cesium react with water to produce cesium hydroxide and hydrogen. Summary of the trend in reactivity. Rule: metal + water --> alkaline solution + H2: Cs + H2O --> CsOH + H2. Also, the hydrated radius of lithium is the greatest out of all alkali metals. 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