×

Lanthanum
Lanthanum

Beryllium
Beryllium



ADD
Compare
X
Lanthanum
X
Beryllium

Atomic Structure of Lanthanum and Beryllium

Atomic

Atomic Number

574
3 117
👆🏻

Electron Configuration

[Xe] 5d2 6s2
[He] 2s2

Crystal Structure

Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)

Crystal Lattice

Atom

Number of Protons

574
3 117
👆🏻

Number of Neutrons

825
4 285
👆🏻

Number of Electrons

574
3 117
👆🏻

Radius of an Atom

Atomic Radius

187.00 pm112.00 pm
0 348
👆🏻

Covalent Radius

207.00 pm96.00 pm
0 260
👆🏻

Van der Waals Radius

240.00 pm153.00 pm
0 348
👆🏻

Atomic Weight

138.91 amu9.01 amu
6.94 294
👆🏻

Atomic Volume

20.73 cm3/mol5.00 cm3/mol
1.39 71.07
👆🏻

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

40.71 (-eV)82.00 (-eV)
0 392.42
👆🏻

Lattice Constant

377.20 pm228.58 pm
0 891.25
👆🏻

Lattice Angles

π/2, π/2, 2 π/3
π/2, π/2, π/2

Lattice C/A Ratio

1.621.57
0.423 1.9
👆🏻