×

Actinium
Actinium
☒

Tantalum
Tantalum
☒



ADD ⊕
Compare
X
Actinium
X
Tantalum

Atomic Structure of Actinium and Tantalum

Add ⊕
Atomic

Atomic Number

Electron Configuration

Crystal Structure

Crystal Lattice

Number of Protons

Number of Neutrons

Number of Electrons

Atomic Radius

Covalent Radius

Van der Waals Radius

Atomic Weight

Atomic Volume

Previous Element

Next Element

Valence Electron Potential

Lattice Constant

Lattice Angles

Lattice C/A Ratio

 
89
[Rn] 6d1 7s2
Face Centered Cubic (FCC)
FCC-Crystal-Structure-of-Actinium.jpg#100
89
138
89
195.00 pm
186.00 pm
215.00 pm
227.00 amu
22.54 cm3/mol
27
16
38.60 (-eV)
567.00 pm
π/2, π/2, π/2
1.89
 
73
[Xe] 4f14 5d3 6s2
Body Centered Cubic (BCC)
BCC-Crystal-Structure-.jpg#100
73
108
73
146.00 pm
170.00 pm
200.00 pm
180.95 amu
10.90 cm3/mol
63
32
110.00 (-eV)
330.13 pm
π/2, π/2, π/2
1.41