Here you will find one or more explanations in English for the word Selenium.
Also in the bottom left of the page several parts of wikipedia pages related to the word Selenium and, of course, Selenium synonyms and on the right images related to the word Selenium.
Selenium
Selenium Se*le"ni*um, n. [NL., from Gr. ??? the moon. So
called because of its chemical analogy to tellurium (from L.
tellus the earth), being, as it were, a companion to it.]
(Chem.)
A nonmetallic element of the sulphur group, and analogous to
sulphur in its compounds. It is found in small quantities
with sulphur and some sulphur ores, and obtained in the free
state as a dark reddish powder or crystalline mass, or as a
dark metallic-looking substance. It exhibits under the action
of light a remarkable variation in electric conductivity, and
is used in certain electric apparatus. Symbol Se. Atomic
weight 78.9.
Meaning of Selenium from wikipedia
-
Selenium is a
chemical element; it has
symbol Se and
atomic number 34. It has
various physical appearances,
including a brick-red powder, a
vitreous black...
-
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...
-
Selenium disulfide, also
known as
selenium sulfide, is a
chemical compound and
medication used to
treat seborrheic dermatitis, dandruff, and pityriasis...
-
Selenium fluoride may
refer to:
Selenium tetrafluoride (
selenium(IV) fluoride), SeF4
Selenium hexafluoride (
selenium(VI) fluoride), SeF6
Seleninyl fluoride...
-
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....
-
Selenium sulfide can
refer to
either of the following:
Selenium disulfide, SeS2
Selenium hexasulfide, Se2S6 This set
index article lists chemical compounds...
-
oxygen family.
Group 16
consists of the
elements oxygen (O),
sulfur (S),
selenium (Se),
tellurium (Te), and the
radioactive elements polonium (Po) and livermorium...
-
Selenium oxide may
refer to
either of the
following compounds:
Selenium dioxide, SeO2
Selenium trioxide, SeO3
Diselenium pentoxide, Se2O5 This set index...
-
Selenium chloride may
refer to the
following chemical compounds:
Selenium monochloride, Se2Cl2
Selenium dichloride, SeCl2
Selenium tetrachloride, SeCl4...
-
Selenium deficiency occurs when an
organism lacks the
required levels of
selenium, a
critical nutrient in many species. Deficiency,
although relatively...
