This colourless solid is prepared by the reaction of selenium with a solution of sodium in liquid ammonia at −40 °C. Alternatively, sodium selenide can be prepared by the reaction of gaseous hydrogen selenide with metallic sodium at 100 °C.
What is the formula for the ionic compound between sodium and selenium?
Na2Se
Sodium selenide is an inorganic compound of sodium and selenium with the chemical formula Na2Se.
What does sodium and selenium make?
Selenium is in group 6 and has 6 valence electrons. Sodium is a non metal, and selenium is a metal, thus they form an ionic bond. It will take 2 Na and 1 selenium to make sodium selenide, Na2Se.
What is the name of Na2Se?
Sodium selenide | Na2Se | 99.9.
What is the chemical formula for selenium?
Se+6
Selenium(6+)
| PubChem CID | 104869 |
|---|---|
| Molecular Formula | Se+6 |
| Synonyms | selenium(6+) Selenium, ion (Se6+) Q26841201 22537-36-6 |
| Molecular Weight | 78.97 |
| Dates | Modify 2021-11-27 Create 2005-08-08 |
What is the ion symbol for selenium?
Se+4
Please visit the Selenium element page for information specific to the chemical element of the periodic table….Selenium(4+)
| PubChem CID | 104791 |
|---|---|
| Structure | Find Similar Structures |
| Molecular Formula | Se+4 |
| Synonyms | selenium(4+) Selenium, ion(4+) 22541-55-5 |
| Molecular Weight | 78.97 |
What is the correct formula of sodium selenate?
Na2SeO4
Sodium selenate/Formula
An inorganic sodium salt having selenate as the counterion. Sodium selenate is the inorganic compound with the formula Na2SeO4, not to be confused with sodium selenite.
What is the formula of selenide?
Se-2
Selenide
| PubChem CID | 107674 |
|---|---|
| Molecular Formula | Se-2 |
| Synonyms | selenide selenium(2-) 22541-48-6 selanediide selenide ion More… |
| Molecular Weight | 78.97 |
| Dates | Modify 2021-11-27 Create 2004-09-16 |
What is the ion of selenium?
Selenide
| PubChem CID | 107674 |
|---|---|
| Structure | Find Similar Structures |
| Molecular Formula | Se-2 |
| Synonyms | selenide selenium(2-) 22541-48-6 selanediide selenide ion More… |
| Molecular Weight | 78.97 |
What is the flammability of selenium?
Chemical Reactivity Selenium forms hydrogen selenide, H2Se, a colorless flammable gas when reacted with hydrogen.
What is the molecular weight of selenium?
(1) The chemical symbol for selenium is Se, the atomic weight is 78.96 g/mol, and the vapor pressure is 1 mm Hg at 356 °C. (1) Hydrogen selenide is a selenium compound that exists as a colorless gas at room temperature. = (ppm) × (molecular weight of the compound)/(24.45).
What is the formula for sodium selenide?
Sodium selenide is an inorganic compound of sodium and selenium with the chemical formula Na2Se. This colourless solid is prepared by the reaction of selenium with a solution of sodium in liquid ammonia at −40 °C. Alternatively, sodium selenide can be prepared by the reaction of gaseous hydrogen selenide with metallic sodium at 100 °C.
What is selenium solution?
Selenium Solution is specially formulated for individuals who are hypersensitive. It provides sodium selenite , which is a very pure selenium source.
