Never, these metals are very reactive.
Never, these metals are very reactive.
Because these metals are very reactive and readily form compounds.
Because these metals are very reactive and readily form compounds.
Because these metals are very reactive and readily form compounds.
There are nothing uncombined. They are forming compounds inn nature.
Alkali metals and alkaline-earth metals are highly reactive and easily form compounds with elements in the environment. Consequently, they are not found in their pure form in nature. Instead, they are typically found as compounds with other elements such as oxygen or sulfur.
They are very reactive.They cannot be found uncombined.
Metals that can be found uncombined in the Earth are referred to as "native metals." These metals, such as gold, silver, and copper, exist in their elemental form rather than as compounds. Native metals typically occur in their pure state due to their resistance to oxidation and corrosion, allowing them to remain uncombined with other elements in nature.
Due to their very high reactivity with oxygen and also water, they combine to form oxides, hydroxides and from there to carbonates and others.
Some metals are found uncombined in the Earth's crust because they have low reactivity and do not readily react with other elements to form compounds. These metals include gold, silver, and copper, which are typically found in their pure metallic form in nature.
The alkaline earth metals are in the group 2 of the periodic table of Mendeleev.
Alkaline earth metals are found in nature only in mineral or compound forms, due to their high reactivity.