Periodic Table Element Comparison: Compare Elements - Barium vs Silver
Compare Barium and Silver
Compare Barium and Silver on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Barium vs Silver with most reliable information about their properties, attributes, facts, uses etc. You can compare Ba vs Ag on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.
Facts
| Name | Barium | Silver |
| Atomic Number | 56 | 47 |
| Atomic Symbol | Ba | Ag |
| Atomic Weight | 137.327 | 107.8682 |
| Phase at STP | Solid | Solid |
| Color | Silver | Silver |
| Metallic Classification | Alkaline Earth Metal | Transition Metal |
| Group in Periodic Table | group 2 | group 11 |
| Group Name | beryllium family | copper family |
| Period in Periodic Table | period 6 | period 5 |
| Block in Periodic Table | s -block | d -block |
| Electronic Configuration | [Xe] 6s2 | [Kr] 4d10 5s1 |
| Electronic Shell Structure (Electrons per shell) | 2, 8, 18, 18, 8, 2 | 2, 8, 18, 18, 1 |
| Melting Point | 1000 K | 1234.93 K |
| Boiling Point | 2143 K | 2435 K |
| CAS Number | CAS7440-39-3 | CAS7440-22-4 |
| Neighborhood Elements | Neighborhood Elements of Barium | Neighborhood Elements of Silver |
History
| History | The element Barium was discovered by W. Scheele in year 1772 in United Kingdom. Barium derived its name from the Greek barys, meaning 'heavy'. | The element Silver was discovered by in year Before 5000 BCE. Silver derived its name from English word (argentum in Latin). |
| Discovery | W. Scheele (1772) | (Before 5000 BCE) |
| Isolated | H. Davy (1808) | Asia Minor (ca. 4000 BCE) |
Presence: Abundance in Nature and Around Us
Parts per billion (ppb) by weight / by atoms (1ppb =10^-7 %)
| Abundance in Universe | 10 / 0.09 | 0.6 / 0.007 |
| Abundance in Sun | 10 / 0.1 | 1 / 0.01 |
| Abundance in Meteorites | 2800 / 410 | 140 / 20 |
| Abundance in Earth's Crust | 340000 / 51000 | 80 / 20 |
| Abundance in Oceans | 30 / 1.4 | 0.1 / 0.0057 |
| Abundance in Humans | 300 / 14 | - / - |
Crystal Structure and Atomic Structure
| Atomic Volume | 38.16 cm3/mol | 10.283 cm3/mol |
| Atomic Radius | 253 pm | 165 pm |
| Covalent Radius | 198 pm | 153 pm |
| Van der Waals Radius | 268 pm | 172 pm |
| Atomic Spectrum |  |  |
| Lattice Constant | 502.8, 502.8, 502.8 pm | 408.53, 408.53, 408.53 pm |
| Lattice Angle | π/2, π/2, π/2 | π/2, π/2, π/2 |
| Space Group Name | Im_ 3m | Fm_ 3m |
| Space Group Number | 229 | 225 |
| Crystal Structure | Body Centered Cubic  | Face Centered Cubic  |
Atomic and Orbital Properties
| Atomic Number | 56 | 47 |
| Number of Electrons (with no charge) | 56 | 47 |
| Number of Protons | 56 | 47 |
| Mass Number | 137.327 | 107.8682 |
| Number of Neutrons | 81 | 61 |
| Shell structure (Electrons per energy level) | 2, 8, 18, 18, 8, 2 | 2, 8, 18, 18, 1 |
| Electron Configuration | [Xe] 6s2 | [Kr] 4d10 5s1 |
| Valence Electrons | 6s2 | 4d10 5s1 |
| Oxidation State | 2 | 1 |
| Atomic Term Symbol (Quantum Numbers) | 1S0 | 2S1/2 |
| Shell structure |  |  |
Isotopes and Nuclear Properties
Barium has 7 stable naturally occuring isotopes while Silver has 2 stable naturally occuring isotopes.
| Known Isotopes | 114Ba, 115Ba, 116Ba, 117Ba, 118Ba, 119Ba, 120Ba, 121Ba, 122Ba, 123Ba, 124Ba, 125Ba, 126Ba, 127Ba, 128Ba, 129Ba, 130Ba, 131Ba, 132Ba, 133Ba, 134Ba, 135Ba, 136Ba, 137Ba, 138Ba, 139Ba, 140Ba, 141Ba, 142Ba, 143Ba, 144Ba, 145Ba, 146Ba, 147Ba, 148Ba, 149Ba, 150Ba, 151Ba, 152Ba, 153Ba | 93Ag, 94Ag, 95Ag, 96Ag, 97Ag, 98Ag, 99Ag, 100Ag, 101Ag, 102Ag, 103Ag, 104Ag, 105Ag, 106Ag, 107Ag, 108Ag, 109Ag, 110Ag, 111Ag, 112Ag, 113Ag, 114Ag, 115Ag, 116Ag, 117Ag, 118Ag, 119Ag, 120Ag, 121Ag, 122Ag, 123Ag, 124Ag, 125Ag, 126Ag, 127Ag, 128Ag, 129Ag, 130Ag |
| Stable Isotopes | Naturally occurring stable isotopes: 130Ba, 132Ba, 134Ba, 135Ba, 136Ba, 137Ba, 138Ba | Naturally occurring stable isotopes: 107Ag, 109Ag |
| Neutron Cross Section | 1.3 | 63.6 |
| Neutron Mass Absorption | 0.00027 | 0.02 |
Chemical Properties: Ionization Energies and electron affinity
| Valence or Valency | 2 | 1 |
| Electronegativity | 0.89 Pauling Scale | 1.93 Pauling Scale |
| Electron Affinity | 13.95 kJ/mol | 125.6 kJ/mol |
| Ionization Energies | 1st: 502.9 kJ/mol 2nd: 965.2 kJ/mol 3rd: 3600 kJ/mol | 1st: 731 kJ/mol 2nd: 2070 kJ/mol 3rd: 3361 kJ/mol |
Physical Properties
| Density | 3.51 g/cm3 | 10.49 g/cm3 |
| Molar Volume | 38.16 cm3/mol | 10.283 cm3/mol |
Elastic Properties | ||
| Young Modulus | 13 | 83 |
| Shear Modulus | 4.9 GPa | 30 GPa |
| Bulk Modulus | 9.6 GPa | 100 GPa |
| Poisson Ratio | - | 0.37 |
Hardness - Tests to Measure of Hardness of Element | ||
| Mohs Hardness | 1.25 MPa | 2.5 MPa |
| Vickers Hardness | - | 251 MPa |
| Brinell Hardness | - | 24.5 MPa |
Electrical Properties | ||
| Electrical Conductivity | 2900000 S/m | 62000000 S/m |
| Resistivity | 3.5e-7 m Ω | 1.6e-8 m Ω |
| Superconducting Point | - | - |
Heat and Conduction Properties | ||
| Thermal Conductivity | 18 W/(m K) | 430 W/(m K) |
| Thermal Expansion | 0.0000206 /K | 0.0000189 /K |
Magnetic Properties | ||
| Magnetic Type | Paramagnetic | Diamagnetic |
| Curie Point | - | - |
| Mass Magnetic Susceptibility | 1.13e-8 m3/kg | -2.27e-9 m3/kg |
| Molar Magnetic Susceptibility | 1.552e-9 m3/mol | -2.45e-10 m3/mol |
| Volume Magnetic Susceptibility | 0.00003966 | -0.0000238 |
Optical Properties | ||
| Refractive Index | - | - |
Acoustic Properties | ||
| Speed of Sound | 1620 m/s | 2600 m/s |
Thermal Properties - Enthalpies and thermodynamics
| Melting Point | 1000 K | 1234.93 K |
| Boiling Point | 2143 K | 2435 K |
| Critical Temperature | - | - |
| Superconducting Point | - | - |
Enthalpies | ||
| Heat of Fusion | 8 kJ/mol | 11.3 kJ/mol |
| Heat of Vaporization | 140 kJ/mol | 255 kJ/mol |
| Heat of Combustion | - | - |
Regulatory and Health - Health and Safety Parameters and Guidelines
| CAS Number | CAS7440-39-3 | CAS7440-22-4 |
| RTECS Number | RTECSCQ8370000 | RTECSVW3500000 |
| DOT Hazard Class | 4.3 | - |
| DOT Numbers | 1400 | - |
| EU Number | - | - |
| NFPA Fire Rating | 1 | 0 |
| NFPA Hazards | Water Reactive | - |
| NFPA Health Rating | 2 | 1 |
| NFPA Reactivity Rating | 2 | 0 |
| AutoIgnition Point | - | - |
| Flashpoint | - | - |