| Group | |||
|---|---|---|---|
| 1 | 2 | ||
| 2 |
3
Li
Lithium
[He] 2s1
|
||
| Period | 3 |
11
Na
Sodium
[Ne] 3s1
Name origin:
the English word soda (natrium in Latin)
Atomic weight (amu):
22.98976928
Specific heat capacity (J/gK):
1.228
Density (g/cm3):
0.971
Melting point (K):
370.87
Boiling point (K):
1156.0
Electronegativity (Pauling):
0.93
Abundance (mg/kg):
23600.0
|
12
Mg
Magnesium
[Ne] 3s2
|
| 4 |
19
K
Potassium
[Ar] 4s1
|
||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.