×

Hafnium
Hafnium

Promethium
Promethium



ADD
Compare
X
Hafnium
X
Promethium

Atomic Structure of Hafnium and Promethium

1 Atomic
1.1 Atomic Number
7261
3 117
1.2 Electron Configuration
[Xe] 4f14 5d2 6s2
[Xe] 4f5 6s2
1.3 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
7261
3 117
1.4.2 Number of Neutrons
10684
4 184
1.4.3 Number of Electrons
7261
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
159.00 pm183.00 pm
112 265
1.5.2 Covalent Radius
175.00 pm199.00 pm
96 260
1.5.3 Van der Waals Radius
200.00 pm236.00 pm
139 348
1.6 Atomic Weight
178.49 amu145.00 amu
6.94 294
1.7 Atomic Volume
13.60 cm3/mol22.39 cm3/mol
1.39 71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
81.00 (-eV)44.10 (-eV)
8 392.42
1.10 Lattice Constant
319.64 pmNA
228.58 891.25
1.11 Lattice Angles
π/2, π/2, 2 π/3
Unknown
1.12 Lattice C/A Ratio
1.58NA
1.567 1.886