Selenium is an element. Elements don't contain compounds.
how reactive is radon and will it combine with other elements
Selenium and tellurium are similar to sulfur.
Electrons are shared when elements combine to form molecules.
nuclear fusion
Selenium react with majority of other chemical elements.
Selenium is an element. Elements don't contain compounds.
Like most elements, selenium was formed in the cores of stars.
Selenium react with the majority of other chemical elements.
Elements combine to form chemical compounds.
Selenium is not a common element but is necessary.
Gold prefer to combine with halogens, sulfur, selenium, tellurium.
elements combine because no body noes :DBecause elements become ions then combine
how reactive is radon and will it combine with other elements
Selenium is indeed a chemical, and more specifically, it is a chemical element. It can be found on the periodic table of the elements.
Elements combine to form compounds to become more stable
Simple plant fertilizers combine N, P and K; nitrogen, Phosphorus, and Potassium. These are the elements most needed by plants. There are many more elements needed and more complex fertilizers are available for this. In particular, some soils are deficient in 'trace elements' such as selenium, but these tend to be of local importance.