CAS Number | 7782-49-2 |
---|---|
PubChem CID | 6326970 |
Atomic Radius | 120 |
Atomic Volume | 16.45 |
Atomic Weight | 78.96 |
Block | p |
Boiling Point | 685 |
Bulk Modulus | |
Category | Other nonmetals |
Crystal Structure | Simple Monoclinic |
Color | Gray |
Covalent Radius | 120 |
Density | 4.809 |
Electrical Resistivity | |
Electron Configuration | [Ar] 3d10 4s2 4p4 |
Electrons per shell | 2, 8, 18, 6 |
Electronegativity | 2.55 |
Electrons | 34 |
Group | 16 |
Heat of Fusion | 5.4 |
Heat of Vaporization | 26 |
Ionization Potential | 9.752 |
Magnetic Ordering | |
Magnetic Susceptibility | |
Mass | 78.96 |
Mass Number | 34 |
Melting Point | 221 |
Name | Selenium |
Neutrons | 45 |
Atomic Number | 79 |
Oxidation States | -2, 2, 4, 6 |
Period | 4 |
Phase | Solid |
Poisson Ratio | |
Protons | 34 |
Shear Modulus | |
Specific Heat Capacity | 0.321 |
Symbol | Se |
Thermal Conductivity | 0.02 |
Van der Waals radius | |
Young's Modulus | |
Abundance | |
Abundance in Earth's crust | 5×10-6% |
Abundance in Universe | 3×10-6% |
78.971(8)
74Se 76Se 77Se 78Se 80Se 82Se
65Se 66Se 67Se 68Se 69Se 70Se 71Se 72Se 73Se 75Se 79Se 81Se 83Se 84Se 85Se 86Se 87Se 88Se 89Se 90Se 91Se 92Se 93Se 94Se