Na
Sodium
Chikamu 11 · 22.99 u
Sodium isimbi ine simba kwazvo uye inoshandiswa zvakanyanya mukugadzira mishonga, uye inowanzowanikwa mumvura yemubhedha.
Maitiro ekushandisa
| Atomic radius: | 22.99 u |
| Kuomarara | 0.971 g/cm³ |
| Kutonhora Point | 370.87 K |
| Kutonhora Point | 1156.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 0.93 (Pauling) |
| 1st Ionization Energy | 495.8 kJ/mol |
| Electronegativity: | 52.8 kJ/mol |
| Oxygen | -1, +1 |
Atomic Properties
| Kuisa Kugadzirisa | [Ne] 3s1 |
| Atomic radius: | 186.0 pm |
| Covalent Radius | 166.0 pm |
| Van der Waals radius | 227.0 pm |
Discovery
| Yakawanikwa ne | Humphry Davy |
| Kuonekwa kwegore | 1807 |
| _Panzvimbo: | London, England |
| Akapihwa zita mushure me | Chirungu'soda'; chiratidzo Na kubva kuLatin 'natrium' |
Nezve Sodium
Sodium is a soft, silvery-white, highly reactive metal. It is the sixth most abundant element in Earth's crust. Sodium ions are essential for nerve signal transmission and muscle contraction. It was first isolated by Humphry Davy through electrolysis of sodium hydroxide.
Mashandisiro & Maapplication
Table salt (NaCl), street lighting, soap manufacturing, de-icing roads, baking soda, uye sechidzitiro mu nuclear reactors.
Nhoroondo yemitambo
Sodium inosangana nemvura zvakaipa kuti inogona kupararira, asi sodium ion inonyanya kukosha kune hupenyu hwemunhu.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 23 | 1.0% | - | _Ndiani |
Kuisa Kugadzirisa
[Ne] 3s1