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Calcium
Calcium

Neptunium
Neptunium



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Calcium
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Neptunium

Atomic Structure of Calcium and Neptunium

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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

 
20
[Ar] 4s2
Face Centered Cubic (FCC)
FCC-Crystal-Structure-of-Calcium.jpg#100
20
20
20
197.00 pm
176.00 pm
231.00 pm
40.08 amu
29.90 cm3/mol
9
60
29.00 (-eV)
558.84 pm
π/2, π/2, π/2
1.55
 
93
[Rn] 5f4 6d1 7s2
Orthorhombic (ORTH)
ORTH-Crystal-Structure-of-Neptunium.jpg#100
93
144
93
155.00 pm
190.00 pm
221.00 pm
237.00 amu
11.62 cm3/mol
15
26
96.00 (-eV)
666.30 pm
π/2, π/2, π/2
1.43