Yes, all elements that are not radioactive occur in nature. In fact, boron is present in small amounts in every rock. It is also quite abundant in the ocean (5 parts per million).
Boron Family (13) - do not occur elementally in nature - are scarce in nature (except aluminum, which is the most abundant metallic element) - have three valence electrons - are metallic (except boron, which is a solid metalloid) - are soft and have low melting points (except boron, which is hard and has a high melting point) - are chemically reactive at moderate temperatures (except boron)
Earth, Nevada
Pure boron (a metalloid) is not found in nature. Boron will be combined with something else. Pure boron could be shiny, but will usually be a brown powder when combined with carbon.
There are no radioactive isotopes of boron that are ordinarily found in nature. All elements have synthetic radioactive isotopes, however.
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Boron Family (13) - do not occur elementally in nature - are scarce in nature (except aluminum, which is the most abundant metallic element) - have three valence electrons - are metallic (except boron, which is a solid metalloid) - are soft and have low melting points (except boron, which is hard and has a high melting point) - are chemically reactive at moderate temperatures (except boron)
boron
Earth, Nevada
Pure boron (a metalloid) is not found in nature. Boron will be combined with something else. Pure boron could be shiny, but will usually be a brown powder when combined with carbon.
it was found in 1808 and it is not found free in nature
There are no radioactive isotopes of boron that are ordinarily found in nature. All elements have synthetic radioactive isotopes, however.
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An element occur in nature as a pure element or as a compound.
Pure boron (a metalloid) is not found in nature. Boron will be combined with something else. Pure boron could be shiny, but will usually be a brown powder when combined with carbon.
Can't tell because it is NOT true
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.