Periodic Table Element Comparison: Compare Elements - Fluorine vs Beryllium
Compare Fluorine and Beryllium 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 Fluorine vs Beryllium with most reliable information about their properties, attributes, facts, uses etc. You can compare F vs Be on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more. Fluorine and Beryllium comparison table on more than 90 properties.
Fluorine and Beryllium Comparison
Facts
| Name | Fluorine | Beryllium |
|---|---|---|
| Atomic Number | 9 | 4 |
| Atomic Symbol | F | Be |
| Atomic Weight | 18.9984032 | 9.012182 |
| Phase at STP | Gas | Solid |
| Color | Colorless | SlateGray |
| Metallic Classification | Halogens | Alkaline Earth Metal |
| Group in Periodic Table | group 17 | group 2 |
| Group Name | fluorine family | beryllium family |
| Period in Periodic Table | period 2 | period 2 |
| Block in Periodic Table | p -block | s -block |
| Electronic Configuration | [He] 2s2 2p5 | [He] 2s2 |
| Electronic Shell Structure (Electrons per shell) | 2, 7 | 2, 2 |
| Melting Point | 53.5 K | 1560 K |
| Boiling Point | 85.03 K | 2743 K |
| CAS Number | CAS7782-41-4 | CAS7440-41-7 |
| Neighborhood Elements | Neighborhood Elements of Fluorine | Neighborhood Elements of Beryllium |
History
| Parameter | Fluorine | Beryllium |
|---|---|---|
| History | The element Fluorine was discovered by A.-M. Ampère in year 1810 in France. Fluorine derived its name from the Latin fluere, meaning 'to flow'. | The element Beryllium was discovered by N. Vauquelin in year 1798 in France. Beryllium derived its name from beryl, a mineral. |
| Discovery | A.-M. Ampère (1810) | N. Vauquelin (1798) |
| Isolated | H. Moissan (1886) | F. Wöhler and A. Bussy (1828) |
Presence: Abundance in Nature and Around Us
Parts per billion (ppb) by weight / by atoms (1ppb =10^-7 %)
| Property | Fluorine | Beryllium |
|---|---|---|
| Abundance in Universe | 400 / 30 | 1 / 0.1 |
| Abundance in Sun | 500 / 30 | 0.1 / 0.01 |
| Abundance in Meteorites | 89000 / 96000 | 30 / 70 |
| Abundance in Earth's Crust | 540000 / 590000 | 1900 / 4300 |
| Abundance in Oceans | 1300 / 420 | 0.0006 / 0.00041 |
| Abundance in Humans | 37000 / 12000 | 0.4 / 0.3 |
Crystal Structure and Atomic Structure
| Property | Fluorine | Beryllium |
|---|---|---|
| Atomic Volume | 11.202 cm3/mol | 4.8767 cm3/mol |
| Atomic Radius | 42 pm | 112 pm |
| Covalent Radius | 71 pm | 90 pm |
| Van der Waals Radius | 147 pm | 153 pm |
Atomic Spectrum - Spectral Lines | ||
| Emission Spectrum |  |  |
| Absorption Spectrum |  |  |
| Lattice Constant | 550, 328, 728 pm | 228.58, 228.58, 358.43 pm |
| Lattice Angle | π/2, π/2, π/2 | π/2, π/2, 2 π/3 |
| Space Group Name | C12/c1 | P63/mmc |
| Space Group Number | 15 | 194 |
| Crystal Structure | Base Centered Monoclinic  | Simple Hexagonal  |
Atomic and Orbital Properties
| Property | Fluorine | Beryllium |
|---|---|---|
| Atomic Number | 9 | 4 |
| Number of Electrons (with no charge) | 9 | 4 |
| Number of Protons | 9 | 4 |
| Mass Number | 18.9984032 | 9.012182 |
| Number of Neutrons | 10 | 5 |
| Shell structure (Electrons per energy level) | 2, 7 | 2, 2 |
| Electron Configuration | [He] 2s2 2p5 | [He] 2s2 |
| Valence Electrons | 2s2 2p5 | 2s2 |
| Oxidation State | -1 | 2 |
| Atomic Term Symbol (Quantum Numbers) | 2P3/2 | 1S0 |
| Shell structure |  |  |
Isotopes and Nuclear Properties
Fluorine has 1 stable naturally occuring isotopes while Beryllium has 1 stable naturally occuring isotopes.
| Parameter | Fluorine | Beryllium |
|---|---|---|
| Known Isotopes | 14F, 15F, 16F, 17F, 18F, 19F, 20F, 21F, 22F, 23F, 24F, 25F, 26F, 27F, 28F, 29F, 30F, 31F | 5Be, 6Be, 7Be, 8Be, 9Be, 10Be, 11Be, 12Be, 13Be, 14Be, 15Be, 16Be |
| Stable Isotopes | Naturally occurring stable isotopes: 19F | Naturally occurring stable isotopes: 9Be |
| Neutron Cross Section | 0.0096 | 0.0092 |
| Neutron Mass Absorption | 0.00002 | 0.00003 |
Chemical Properties: Ionization Energies and electron affinity
| Property | Fluorine | Beryllium |
|---|---|---|
| Valence or Valency | 1 | 2 |
| Electronegativity | 3.98 Pauling Scale | 1.57 Pauling Scale |
| Electron Affinity | 328 kJ/mol | 0 kJ/mol |
| Ionization Energies | 1st: 1681 kJ/mol 2nd: 3374.2 kJ/mol 3rd: 6050.4 kJ/mol 4th: 8407.7 kJ/mol 5th: 11022.7 kJ/mol 6th: 15164.1 kJ/mol 7th: 17868 kJ/mol 8th: 92038.1 kJ/mol 9th: 106434.3 kJ/mol | 1st: 899.5 kJ/mol 2nd: 1757.1 kJ/mol 3rd: 14848.7 kJ/mol 4th: 21006.6 kJ/mol |
Physical Properties
| Property | Fluorine | Beryllium |
|---|---|---|
| Density | 0.001696 g/cm3 | 1.848 g/cm3 |
| Molar Volume | 11.202 cm3/mol | 4.8767 cm3/mol |
Elastic Properties | ||
| Young Modulus | - | 287 |
| Shear Modulus | - | 132 GPa |
| Bulk Modulus | - | 130 GPa |
| Poisson Ratio | - | 0.032 |
Hardness - Tests to Measure of Hardness of Element | ||
| Mohs Hardness | - | 5.5 MPa |
| Vickers Hardness | - | 1670 MPa |
| Brinell Hardness | - | 600 MPa |
Electrical Properties | ||
| Electrical Conductivity | - | 25000000 S/m |
| Resistivity | - | 4e-8 m Ω |
| Superconducting Point | - | 0.026 |
Heat and Conduction Properties | ||
| Thermal Conductivity | 0.0277 W/(m K) | 190 W/(m K) |
| Thermal Expansion | - | 0.0000113 /K |
Magnetic Properties | ||
| Magnetic Type | - | Diamagnetic |
| Curie Point | - | - |
| Mass Magnetic Susceptibility | - | -1.26e-8 m3/kg |
| Molar Magnetic Susceptibility | - | -1.136e-10 m3/mol |
| Volume Magnetic Susceptibility | - | -0.00002328 |
Optical Properties | ||
| Refractive Index | 1.000195 | - |
Acoustic Properties | ||
| Speed of Sound | - | 13000 m/s |
Thermal Properties - Enthalpies and thermodynamics
| Property | Fluorine | Beryllium |
|---|---|---|
| Melting Point | 53.5 K | 1560 K |
| Boiling Point | 85.03 K | 2743 K |
| Critical Temperature | 144.13 K | - |
| Superconducting Point | - | 0.026 |
Enthalpies | ||
| Heat of Fusion | 0.26 kJ/mol | 7.95 kJ/mol |
| Heat of Vaporization | 3.27 kJ/mol | 297 kJ/mol |
| Heat of Combustion | - | - |
Regulatory and Health - Health and Safety Parameters and Guidelines
| Parameter | Fluorine | Beryllium |
|---|---|---|
| CAS Number | CAS7782-41-4 | CAS7440-41-7 |
| RTECS Number | RTECSLM6475000 | RTECSDS1750000 |
| DOT Hazard Class | 2.3 | 6.1 |
| DOT Numbers | 9192 | 1567 |
| EU Number | EU231-954-8 | - |
| NFPA Fire Rating | 0 | 1 |
| NFPA Health Rating | 4 | 3 |
| NFPA Reactivity Rating | 4 | 0 |
| NFPA Hazards | Oxidizing Agent, Water Reactive | - |
| AutoIgnition Point | - | - |
| Flashpoint | - | - |
Compare With Other Elements
Compare Fluorine and Beryllium with other elements of the periodic table.
Compare Fluorine with all Group 17 elementsCompare Fluorine with ChlorineCompare Fluorine with BromineCompare Fluorine with IodineCompare Fluorine with AstatineCompare Fluorine with Tennessine Compare Fluorine with all Period 2 elementsCompare Fluorine with LithiumCompare Fluorine with BerylliumCompare Fluorine with BoronCompare Fluorine with CarbonCompare Fluorine with NitrogenCompare Fluorine with OxygenCompare Fluorine with Neon Compare Fluorine with all Halogens elements | Compare Beryllium with all Group 2 elementsBeryllium vs Magnesium ComparisonBeryllium vs Calcium ComparisonBeryllium vs Strontium ComparisonBeryllium vs Barium ComparisonBeryllium vs Radium Comparison Compare Beryllium with all Period 2 elementsBeryllium vs Lithium ComparisonBeryllium vs Boron ComparisonBeryllium vs Carbon ComparisonBeryllium vs Nitrogen ComparisonBeryllium vs Oxygen ComparisonBeryllium vs Fluorine ComparisonBeryllium vs Neon Comparison Compare Beryllium with all Alkaline Earth Metal elements |