| Group | ||||
|---|---|---|---|---|
| 2 | 13 | 14 | ||
| Period | 2 |
4
Be
Beryllium
[He] 2s2
|
5
B
Boron
[He] 2s2 2p1
Name origin:
the Arabic 'buraq', which was the name for borax
Atomic weight (amu):
10.81
Specific heat capacity (J/gK):
1.026
Density (g/cm3):
2.34
Melting point (K):
2349.0
Boiling point (K):
4200.0
Electronegativity (Pauling):
2.04
Abundance (mg/kg):
10.0
|
6
C
Carbon
[He] 2s2 2p2
|
| 3 |
13
Al
Aluminum
[Ne] 3s2 3p1
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.