0 0. Xenon does not react with water. Source(s): alkali metals react violently water: https://shortly.im/lU1K0. If the gas evolved burns with a 'pop' sound, it indicates that it is hydrogen gas. Merlin's Feline. Soon the metal catches fire and starts burning. Sodium and potassium metals react violently with cold water. Reaction of xenon with the halogens Xenon does not react with air. The Group 1 elements react violently with water--lithium, sodium, potassium, rubidium caesium, and francium. Metal starts moving over the surface of water making a hissing sound. 3. Group 1 elements react with moist air. As the elements (alkali metals) get larger (atomic mass) they create bigger explosions! ... Alkali metals react violently with water to produce hydroxides, they react with oxides stealing their oxygen, they are soft and can be cut with a knife, they have low melting points and are less dense than water. XD. h/t Open.edu. AWESOMEEEEEEEE. It should burn very violently, and react almost instantly with an explosion. Five out of the six Alkali metals react with air and water: Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), and Caesium (Cs). Observations: 1. 2. 1 0. It does, however, dissolve slightly to the extent of about 108.1 cm 3 kg-1 at 20°C (293 K). Reaction of xenon with air. Reaction of xenon with water. 1 decade ago. ... Why do Alkali Metals react violently with water? Metal starts reacting with water causing little explosions. Watch more videos about elements. Lv 7. Reason why as you go down the group and reaction get violent because elements' radii are increasing as you go down the group, which means that element easily loses electron. The elements in group 1 of the periodic table are referred to as the alkali metals. They include lithium, sodium and potassium, which all react vigorously with water to produce an alkaline solution. The Group 1 elements in the periodic table are known as the alkali metals. Now this is an effective way for kids to remember the names of elements… have the elements explode! These metals react most violently with water, and I know this for a fact because our teacher showed us what happens!

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