They explode and combust.
Lithium, sodium, and potassium react vigorously with water to form hydroxides and release hydrogen gas. The reactivity increases as you go down the group from lithium to potassium, with potassium being the most reactive.
Yes, three salts of group 1 elements (Lithium, Sodium Potassium and salts) are soluble in water.
The word equation for the reaction of Li, Na, and K with H2O is: Lithium (Li) + Water (H2O) → Lithium hydroxide (LiOH) + Hydrogen gas (H2) Sodium (Na) + Water (H2O) → Sodium hydroxide (NaOH) + Hydrogen gas (H2) Potassium (K) + Water (H2O) → Potassium hydroxide (KOH) + Hydrogen gas (H2)
Sodium and potassium metals will burn violently when mixed with water, forming alkaline hydroxides and hydrogen gas. When mixed with kerosene, a hydrocarbon mixture, the reaction does not occur as kerosene is not reactive with these metals.
Examples: sodium chloride, lithium bromide, potassium carbonate - solubles in water.
Lithium, sodium, potassium. rubidium, cesium, francium, calcium, strontium, barium and radium all react with varying degree of vigor with water to produce hydrogen gas. Other metals also will but not as vigorously.
Potassium, sodium, and lithium are the most reactive metals to water from the options provided. They react vigorously with water, producing hydrogen gas and forming alkaline hydroxides. Calcium and magnesium are less reactive compared to the other three metals when exposed to water.
Potassium is an element that forms an alkali solution when added to water. It reacts vigorously with water to produce potassium hydroxide, which is a strong base.
Three metals that react with cold water are sodium, potassium, and lithium. These alkali metals react vigorously with water, producing hydrogen gas and corresponding hydroxides. Sodium reacts to form sodium hydroxide, while potassium reacts more violently, leading to the production of potassium hydroxide. Lithium reacts more slowly compared to the other two but still produces lithium hydroxide and hydrogen when in contact with cold water.
Examples: sodium chloride, lithium bromide, potassium carbonate - solubles in water.
Most don't, but a few do. Na and K come immediately to mind ie the Alkali Metals.
Two elements that can float on water are lithium and potassium. These elements have a lower density than water, which allows them to float on its surface.