Group 1 and group 2 elements are reactive metals and react readily with water. They also react readily at high temperatures with oxygen. Over the millenia any free deposits would react to form compounds.
Group 1 (alkali metals) and Group 17 (halogens) in the periodic table contain elements that are highly reactive and are never found in their free state in nature. Alkali metals readily react with water or air, while halogens are highly reactive nonmetals that form compounds with other elements quickly.
Sodium is a highly reactive metal that easily forms compounds with other elements due to its tendency to lose an electron to achieve stability. This reactivity prevents sodium from existing in its pure form in nature. It is usually found combined with other elements, such as chloride in salt (sodium chloride).
The group you're thinking of is group 1, the alkali metals. They include sodium and potassium, and you're right, they are so reactive that they do not exist by themselves. They only exist in compounds with other elements.
Alkali metals are highly reactive due to their tendency to lose an electron, which makes them prone to forming compounds with other elements rather than existing in their pure, free state in nature. They readily react with moisture, oxygen, and other substances in the environment, which prevents them from being found free in nature.
Only a few metals are found in the free state, generally metals react to form for example oxides, sulfides which then may further react. Some found free are gold silver copper and platinum. All of these are relatively unreactive
Yes, the halogens did occur in nature as free elements.
The noble gases.
Bromine is a liquid but doesn't occur in nature as a free element.
Bromine is a liquid but doesn't occur in nature as a free element.
Examples of elements that exist as free metal in nature include gold, silver, and copper. These elements are often found in their metallic form in the Earth's crust and are relatively unreactive.
Two elements that commonly occur in nature as liquids are mercury and bromine. Mercury is a naturally occurring liquid metal, while bromine is a non-metallic element that exists as a liquid at room temperature.
Alkali metals such as sodium and potassium are found in nature in various compounds, but they are not typically found in their pure form. They are highly reactive and readily react with other elements to form compounds.
The noble gases.
Depends on how easy it is to oxidize the metal, outside of gold and meteoric iron, almost all metals are found in an oxidized state.
Group 1 (alkali metals) and Group 17 (halogens) in the periodic table contain elements that are highly reactive and are never found in their free state in nature. Alkali metals readily react with water or air, while halogens are highly reactive nonmetals that form compounds with other elements quickly.
Sodium is a highly reactive metal that easily forms compounds with other elements due to its tendency to lose an electron to achieve stability. This reactivity prevents sodium from existing in its pure form in nature. It is usually found combined with other elements, such as chloride in salt (sodium chloride).
Mercury do not occur in combine state (i.e. it occur in free state) and in liquid form. It is the only metal who occur in liquid form.