| Group | |||
|---|---|---|---|
| 1 | 2 | ||
| 1 |
1
H
Hydrogen
1s1
|
||
| Period | 2 |
3
Li
Lithium
[He] 2s1
Name origin:
the Greek 'lithos' meaning stone
Atomic weight (amu):
6.942
Specific heat capacity (J/gK):
3.582
Density (g/cm3):
0.534
Melting point (K):
453.69
Boiling point (K):
1560.0
Electronegativity (Pauling):
0.98
Abundance (mg/kg):
20.0
|
4
Be
Beryllium
[He] 2s2
|
| 3 |
11
Na
Sodium
[Ne] 3s1
|
||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.