| Group | ||||
|---|---|---|---|---|
| f8 | f9 | f10 | ||
| Period | 6 |
64
Gd
Gadolinium
[Xe] 6s2 4f7 5d1
|
65
Tb
Terbium
[Xe] 6s2 4f9
Name origin:
Ytterby, Sweden
Atomic weight (amu):
158.92535
Specific heat capacity (J/gK):
0.182
Density (g/cm3):
8.229
Melting point (K):
1629.0
Boiling point (K):
3503.0
Electronegativity (Pauling):
1.2
Abundance (mg/kg):
1.2
|
66
Dy
Dysprosium
[Xe] 6s2 4f10
|
| 7 |
97
Bk
Berkelium
[Rn] 7s2 5f9
|
|||
Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.