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Lithium, Sodium and potassium are all soft metals which can be cut easily with a knife. This freshly cut piece is a shiny silver color which tarnishes quickly to a dull grey as these metals react with the oxygen and water in air. Sodium tarnishes quicker than Lithium and potassium tarnishes quicker than sodium.
Thus, Potassium tarnishes quicker than lithium and not the other way around.
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∙ 11y ago
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Do the alkali metals have the ability to tarnish?
By forming their oxides, the alkali metals tarnish very quickly with respect to many other metals.
What happens when the alkali metals react with chlorine?
They metals are stored in oil to minimize the reactivity with air. When alkali metals react with air, they quickly tarnish after begin cut, they burn easily.
Why do metals need to be protected against rust and tarnish?
Metals need to be protected against rust and tarnish because rust and tarnish eat metals.
Which properties of alkali metals unusual metals?
Alkali metal forms Alkali while metals form bases.
What are more reactive alkali metals or alkline earth metals?
alkali metals
Do the alkali metals have the ability to tarnish?
By forming their oxides, the alkali metals tarnish very quickly with respect to many other metals.
What happens when the alkali metals react with chlorine?
They metals are stored in oil to minimize the reactivity with air. When alkali metals react with air, they quickly tarnish after begin cut, they burn easily.
Which groups of elements are silvery-white metals that tarnish when exposed to air?
The elements are the alkali metals.
Why do metals need to be protected against rust and tarnish?
Metals need to be protected against rust and tarnish because rust and tarnish eat metals.
Which metals tarnish?
Copper, silver, and brass tarnish.
Why sodium metal is stored under kerosene?
bcoz sodium is a alkali metal these metals when xposed to air they tarnish rapidly due to the formation of oxides on surface Save
Which properties of alkali metals unusual metals?
Alkali metal forms Alkali while metals form bases.
How chemically active are alkali metals?
Alkali metals are the most reactive metals.
What are more reactive alkali metals or alkline earth metals?
alkali metals
How are alkali metals different any from other metals?
Alkali metals are very reactive metals.
How do alkali metals react with other alkali metals?
They don't
Why are earth alkali metals called earth alkali metals?
Alkali earth metals are named after their oxides, alkaline earth.
