×

Beryllium
Beryllium

Lithium
Lithium



ADD
Compare
X
Beryllium
X
Lithium

Atomic Structure of Beryllium and Lithium

Add ⊕

Atomic

Atomic Number

43
3 117
👆🏻

Electron Configuration

[He] 2s2
[He] 2s1

Crystal Structure

Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)

Crystal Lattice

Atom

Number of Protons

43
3 117
👆🏻

Number of Neutrons

54
4 285
👆🏻

Number of Electrons

43
3 117
👆🏻

Radius of an Atom

Atomic Radius

112.00 pm152.00 pm
0 348
👆🏻

Covalent Radius

96.00 pm128.00 pm
0 260
👆🏻

Van der Waals Radius

153.00 pm182.00 pm
0 348
👆🏻

Atomic Weight

9.01 amu6.94 amu
6.94 294
👆🏻

Atomic Volume

5.00 cm3/mol13.10 cm3/mol
1.39 71.07
👆🏻

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

82.00 (-eV)19.00 (-eV)
0 392.42
👆🏻

Lattice Constant

228.58 pm351.00 pm
0 891.25
👆🏻

Lattice Angles

π/2, π/2, π/2
π/2, π/2, π/2

Lattice C/A Ratio

1.571.62
0.423 1.9
👆🏻