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Selenium is a
chemical element; it has the
symbol Se and
atomic number 34. It is a
nonmetal (more
rarely considered a metalloid) with
properties that are...
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Selenium is an open
source umbrella project for a
range of
tools and
libraries aimed at
supporting browser automation. It
provides a
playback tool for...
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Selenium disulfide, also
known as
selenium sulfide, is a
chemical compound and
medication used to
treat seborrheic dermatitis, dandruff, and pityriasis...
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Selenium is an
essential micronutrient for animals,
though it is
toxic in
large doses. In plants, it
sometimes occurs in
toxic amounts as forage, e.g....
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Selenium sulfide can
refer to
either of the following:
Selenium disulfide, SeS2
Selenium hexasulfide, Se2S6 This set
index article lists chemical compounds...
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Selenium deficiency occurs when an
organism lacks the
required levels of
selenium, a
critical nutrient in many species. Deficiency,
although relatively...
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Selenium (34Se) has six
natural isotopes that
occur in
significant quantities,
along with the
trace isotope 79Se,
which occurs in
minute quantities in...
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Selenium dioxide is the
chemical compound with the
formula SeO2. This
colorless solid is one of the most
frequently encountered compounds of
selenium...
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Selenium chloride may
refer to
either of the following:
Selenium monochloride, Se2Cl2
Selenium dichloride, SeCl2
Selenium tetrachloride, SeCl4 This set...
- A
selenium rectifier is a type of
metal rectifier,
invented in 1933. They were used in
power supplies for
electronic equipment and in high-current battery-charger...