We are searching data for your request:
Forums and discussions:
Manuals and reference books:
Data from registers:
Upon completion, a link will appear to access the found materials.
Atomic mass, symbol and atomic number
antimony is a naturally occurring element with the element symbol Sb and atomic number 51. In the periodic table it stands with an atomic mass of 121.750 u in the 5th main group. The chemical element is not radioactive and is in a solid state at room temperature.
Characteristics: antimony (English antimony)
| General | |
|---|---|
| Chemical element: | antimony |
| Symbol: | sb |
| Atomic number: | 51 |
| Group: | nitrogen group |
| Period: | 5 |
| Block: | p-block |
| Series: | semimetals |
| Appearance: | silver-gray |
| explorers: | / |
| Year of discovery: | primeval |
| Atomic properties | |
| Atomic mass: | 121,750 u |
| Atomic radius: | 145 pm |
| Covalent radius: | 139 pm |
| Van der Waals radius: | 206 pm |
| Electron configuration: | Kr 4d10 5s2 5p3 |
| ionization: | 834 kJ / mol |
| Physical Properties | |
| Physical state: | firmly |
| Density: | 6.697 g / cm3 |
| Crystal structure: | trigonal |
| Magnetism: | diamagnetic |
| molar volume: | 18,19 · 10-6 m3/ mol |
| Mohs hardness: | 3,0 |
| Melting point: | 630 ° C |
| Boiling point: | 1635 ° C |
| Heat of fusion: | 19.7 kJ / mol |
| Heat of vaporization: | 193 kJ / mol |
| Thermal conductivity: | 24W |
| Chemical properties | |
| electronegativity: | 2,05 |
Did you know that ...
- Antimony is part of many metal alloys, making the metal harder?
- the ancient Egyptians used antimony as kohl?
- China is responsible for over 90% of the world's antimony production?
- the name of the element can be derived from the Greek meaning "flower"?
Also that we would do without your magnificent phrase
I think you are not right. Write to me in PM, we'll talk.
I regret that I cannot participate in the discussion now. Very little information. But the subject interests me very much.
Quite right! It is good thought. I call for active discussion.
I find that you are not right. I'm sure. I can prove it. Write in PM, we will discuss.