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Cesium. Cesium is the bad boy of the alkali metals, a period that's just jam-packed with seriously nasty elements. Cesium is reactive enough that if you were to put some water into dry ice, and wait till the ice got that cold itself before putting some cesium on it, the cesium would still react with it!
Here's a remembrance: the higher an alkali metal's atomic number, the more reactive it is.
What else can I help you with?
Which is more reactive sodium or lithium or potassium?
Potassium is more reactive than lithium, which is more reactive than sodium. This trend is based on the alkali metal group's reactivity, with reactivity increasing as you move down the group due to the decreasing ionization energy and increasing atomic size.
What is the odd one out of lithium and potassium and iron and sodium?
Iron is the odd one out because it is a transition metal, while lithium, potassium, and sodium are alkali metals.
What element is the odd one out lithium sodium potassium and iron?
Iron is the odd one out because it is a transition metal, while lithium, sodium, and potassium are alkali metals.
What are the Metals more reactive than hydrogen?
sodium, calcium, magnesium, aluminium, zinc, iron, tin and led are metals more reactive than hydrogen.
What element is a reactive metal that attacks water?
All of the alkali metals, the alkaline earth metals heavier than magnesium, and the halogens fluorine and chlorine are all highly reactive with water itself.
What alkali metal is most reactive out of cesium lithium potassium and sodium?
Reactivity increase down the group.Ceasium is the most reactive.
Which is more reactive sodium or lithium or potassium?
Potassium is more reactive than lithium, which is more reactive than sodium. This trend is based on the alkali metal group's reactivity, with reactivity increasing as you move down the group due to the decreasing ionization energy and increasing atomic size.
What metal is very reactive and kept under oil?
Any of the alkali metals: lithium, sodium, potassium, etc.
Is an lithium an metal?
Yes, along with Sodium, Potassium, Rubidium, Cesium and Francium, Lithium is an alkali metal.
Name an alkali metal that is more reactive than K Na or Li Name an alkali metal that is less reactive?
Hydrogen (H) is more reactive. Francium (Fr) is less reactive.
What is the odd one out of lithium and potassium and iron and sodium?
Iron is the odd one out because it is a transition metal, while lithium, potassium, and sodium are alkali metals.
Lithium sodium and potassium are in what periodic table family?
Lithium, sodium, and potassium belong to the alkali metal family in the periodic table. They share similar chemical properties such as being highly reactive and easily forming ions with a +1 charge.
What element is the odd one out lithium sodium potassium and iron?
Iron is the odd one out because it is a transition metal, while lithium, sodium, and potassium are alkali metals.
What are the Metals more reactive than hydrogen?
sodium, calcium, magnesium, aluminium, zinc, iron, tin and led are metals more reactive than hydrogen.
What elements in addition to lithium makeup the alkali metal family?
The alkali metal family consists of the elements lithium, sodium, potassium, rubidium, cesium, and francium. These elements share similar chemical properties, including being highly reactive and forming alkaline solutions when they react with water.
What metal is very reactive with water?
Iron rusts with water the more reactive metals react for the oxygen in a displacement the less reactive metals there is no reaction hope this helps x
What is the lightest of the alkali metals?
Lithium, sodium, potassium, in order of lighter to heavier
