Selenium is a nonmetallic element with an atomic number of 34 and an atomic weight of 78.96. Its chemical symbol is Se. Selenium is most commonly found in nature in its inorganic form, sodium selenite. An organic form of selenium, selenomethionine, is found in foods
The oxydation states of selenium are: -2, +2, +6, +4.
There is one mole of selenium in one mole of selenium tetrafluoride, as the formula for selenium tetrafluoride is SeF4. Therefore, there is 1 mole of selenium in 1 mole of selenium tetrafluoride.
Yes. selenium is a non metal
Jons Jacob was the man to discover Selenium.
Selenium has an atomic number of 34, which means it has 34 protons. To find the number of neutrons in selenium-80, subtract the atomic number (34) from the isotope number (80). Therefore, selenium-80 would have 46 neutrons (80 - 34).
The oxydation states of selenium are: -2, +2, +6, +4.
This compound is called selenium hexafluoride.
There is one mole of selenium in one mole of selenium tetrafluoride, as the formula for selenium tetrafluoride is SeF4. Therefore, there is 1 mole of selenium in 1 mole of selenium tetrafluoride.
Yes. selenium is a non metal
Jons Jacob was the man to discover Selenium.
Selenium has an atomic number of 34, which means it has 34 protons. To find the number of neutrons in selenium-80, subtract the atomic number (34) from the isotope number (80). Therefore, selenium-80 would have 46 neutrons (80 - 34).
Se is the symbol for Selenium.
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No, selenium is solid.
Selenium is a metalloid.
To determine the number of atoms in 30.4 g of selenium, you first need to calculate the number of moles using the molar mass of selenium (78.97 g/mol). Then, use Avogadro's number (6.022 x 10^23 atoms/mol) to find the number of atoms in that amount of selenium. In this case, there are approximately 3.86 x 10^22 atoms in 30.4 g of selenium.
Selenium has 6 electrons in its outermost shell.