Atomic Structure of Lithium and Calcium
Atomic Properties
Atomic Number
3
99+
20
99+
Electron Configuration
[He] 2s1
[Ar] 4s2
Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Calcium.jpg#100
Atom
Number of Protons
3
99+
20
99+
Number of Neutrons
4
99+
20
99+
Number of Electrons
3
99+
20
99+
Radius of an Atom
Atomic Radius
152.00 pm
31
197.00 pm
6
Covalent Radius
128.00 pm
99+
176.00 pm
22
Van der Waals Radius
182.00 pm
35
231.00 pm
19
Atomic Weight
6.94 amu
99+
40.08 amu
99+
Atomic Volume
13.10 cm3/mol
39
29.90 cm3/mol
7
Adjacent Atomic Numbers
Valence Electron Potential
19.00 (-eV)
99+
29.00 (-eV)
99+
Lattice Constant
351.00 pm
99+
558.84 pm
9
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
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