Strontium
element 38 of routine table is Strontium with atomic number 38, atomic weight 87.62. Strontium, prize Sr, has actually a Face centered Cubic structure and also Silver color. Strontium is a alkaline earth metal element. Trivial name of Strontium is alkaline planet metals*. Understand everything about Strontium Facts, physics Properties, chemistry Properties, electronic configuration, Atomic and also Crystal Structure.
Strontium is a chemical aspect with price Sr and atomic number 38. An alkaline planet metal, strontium is a soft silver-white or yellowish metallic facet that is highly reactive chemically. The steel turns yellow as soon as it is exposed come air.
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Strontium Facts
Read key information and also facts about element Strontium
| name | Strontium |
| atomic Number | 38 |
| atom Symbol | Sr |
| Atomic weight | 87.62 |
| step | Solid |
| color | Silver |
| Classification | alkaline earth metal |
| team in periodic Table | 2 |
| Group Name | beryllium family |
| period in regular Table | 5 |
| Block in routine Table | s-block |
| Electronic Configuration | |
| Melting allude | 777 °C |
| Boiling suggest | 1382 °C |
| Electronic shell Structure | <2, 8, 18, 8, 2> |
| CAS Number | CAS7440-24-6 |
community
19
K
20
Ca
21
Sc
37
Rb
38
Sr
39
Y
55
Cs
56
Ba
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
| 1 | 1 H 2 He | |||||||||||||||||
| 2 | 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne | |||||||||||||||||
| 3 | 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar | |||||||||||||||||
| 4 | 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr | |||||||||||||||||
| 5 | 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe | |||||||||||||||||
| 6 | 55 Cs 56 Ba 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn | |||||||||||||||||
| 7 | 87 Fr 88 Ra 104 Rf 105 Db 106 Sg 107 Bh 108 Hs 109 Mt 110 Ds 111 Rg 112 Cn 113 Nh 114 Fl 115 Mc 116 Lv 117 Ts 118 Og | |||||||||||||||||
| Lanthanides | 57 La 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu | |||||||||||||||||
| Actinide | 89 Ac 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr |
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How to find Strontium on regular Table
Periodic table is i ordered it by atomic number, number of protons in the nucleus i beg your pardon is very same as number of electrons. The atomic number boosts from left come right. Periodic table start at height left ( atom number 1) and also ends in ~ bottom right (atomic number 118). Thus you can straight look because that atomic number 38 to uncover Strontium on regular table.
Another way to read regular table and locate an element is by using team number (column) and duration number (row). To locate Strontium on regular table look because that cross ar of group 2 and period 5 in the contemporary periodic table.
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Table that Contents
History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbit Properties
Chemical Properties
Isotopes
Health and also Safety Parameters and Guidelines
Databases
Compare Strontium with other elements
Strontium History
The element Strontium was found by wilhelm Cruickshank (chemist) in year 1790 in uk . Strontium derived its surname from Strontian, a little town in Scotland
Strontium Presence: diversity in Nature and Around Us
The table below shows the abundance of Strontium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and also Human Body.
| variety in world | 4×10-6% |
| diversity in sun | 5×10-6% |
| variety in Meteorites | 8.7e-06 |
| Abundance in Earth"s late | 0.00036 |
| abundance in seas | 8.1e-06 |
| variety in human beings | 4.6e-06 |
Crystal structure of Strontium
The hard state framework of Strontium is Face focused Cubic.
The crystal structure have the right to be described in terms of its unit Cell. The unit cells repeats itself in three dimensional room to type the structure.
Unit cell Parameters
The unit cabinet is stood for in terms of its lattice parameters, which are the lengths that the cell edges Lattice Constants (a, b and also c)
| 608.49 | 608.49 | 608.49 pm |
and the angles in between them Lattice angle (alpha, beta and also gamma).
| π/2 | π/2 | π/2 |
The location of the atoms inside the unit cell are defined by the collection of atomic positions ( xi, yi, zi) measured from a recommendation lattice point.
The symmetry properties of the crystal are defined by the ide of an are groups. All feasible symmetric kinds of corpuscle in three-dimensional an are are defined by the 230 space groups (219 distinct types, or 230 if chiral copies are thought about distinct.
| room Group surname | Fm_ 3m |  |
| room Group Number | 225 | |
| Crystal structure | Face centered Cubic |
Strontium Atomic and also Orbital Properties
Strontium atoms have 38 electrons and also the electronic shell framework is <2, 8, 18, 8, 2> v Atomic hatchet Symbol (Quantum Numbers) 1S0.
| atomic Number | 38 |
| Number of electron (with no charge) | 38 |
| Number that Protons | 38 |
| Mass Number | 88 |
| Number that Neutrons | 50 |
| Shell framework (Electrons per energy level) | <2, 8, 18, 8, 2> |
| Electron configuration | |
| Valence Electrons | 5s2 |
| Oxidation State | 1;2 |
| Atomic term Symbol (Quantum Numbers) | 1S0 |
Shell structure of Strontium - electron per energy level
Ground State electronic Configuration that Strontium - neutral Strontium atom
The ground state digital configuration of Neutral Strontium atom isSee more: How To Remove Super Glue From Glasses Lenses, How To Get Super Glue Off Glasses Without Acetone
Unabbreviated digital configuration the neutral Strontium
Complete floor state electronic configuration for the Strontium atom, Unabbreviated digital configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2
Atomic framework of Strontium
Strontium atomic radius is 219 pm, if it"s covalent radius is 192 pm.
| atomic Radius | 219 afternoon (2.19 Å) |
| Atomic Volume | 33.3155893536 cm3 |
| Covalent Radius | 192 afternoon (1.92 Å) |
| valve der Waals Radius | N/A |
| neutron Cross section | 1.2 σa/barns |
Atomic Spectrum that Strontium
Strontium chemistry Properties: Strontium Ionization Energies and also electron affinity
The electron affinity that Strontium is 5.03 kJ/mol
| Valence | 2 |
| Electronegativity | 0.95 |
| ElectronAffinity | 5.03 kJ/mol |
Ionization energy of Strontium
Refer to table listed below for Ionization energies the Strontium
| 1 | 549.5 |
| 2 | 1064.2 |
| 3 | 4138 |
| 4 | 5.5×103 |
| 5 | 6910 |
| 6 | 8760 |
| 7 | 10230 |
| 8 | 1.18×104 |
| 9 | 1.56×104 |
| 10 | 1.71×104 |
Strontium physical Properties
Refer to below table because that Strontium physical Properties
| thickness | 2.63 g/cm3 |
| Molar Volume | 33.3155893536 cm3 |
Elastic Properties
| Young Modulus | N/A |
| Shear Modulus | 6.1 GPa |
| mass Modulus | N/A |
| Poisson ratio | 0.28 |
Hardness the Strontium - exam to measure of Hardness the Element
| Mohs Hardness | 1.5 MPa |
| Vickers Hardness | N/A |
| Brinell Hardness | N/A |
Strontium electric Properties
Strontium is Conductor that electricity. Refer to table below for the electrical properties that Strontium
| electrical Conductivity | 7.7×106 S/m |
| Resistivity | 1.3×10-7 m Ω |
| Superconducting allude | N/A |
Strontium Heat and also Conduction Properties
| heat Conductivity | 35 W/(m K) |
| Thermal development | 0.0000225 K-1 |
Strontium Magnetic Properties
| Magnetic form | Paramagnetic |
| Curie point | N/A |
| mass Magnetic Susceptibility | 1.32×10-9 |
| Molar Magnetic Susceptibility | 1.16×10-10 |
| Volume Magnetic Susceptibility | 3.47×10-6 |
Optical properties of Strontium
| Refractive index | N/A |
Acoustic properties of Strontium
| rate of Sound | N/A |
Strontium thermal Properties - Enthalpies and also thermodynamics
Refer come table listed below for thermal properties that Strontium
| Melting allude | 1050 K (777 °C) |
| Boiling point | 1655 K (1382 °C) |
| an important Temperature | N/A |
| Superconducting point | N/A |
Enthalpies of Strontium
| heat of combination | 8 kJ/mol |
| heat of Vaporization | 137 kJ/mol |
| warmth of combustion | N/A |
Strontium isotope - nuclear Properties of Strontium
Isotopes of rhodium. Naturally occurring Strontium has 4 secure isotope - 84Sr, 86Sr, 87Sr, 88Sr.
| 73Sr | ||||
| 74Sr | ||||
| 75Sr | ||||
| 76Sr | ||||
| 77Sr | ||||
| 78Sr | ||||
| 79Sr | ||||
| 80Sr | ||||
| 81Sr | ||||
| 82Sr | ||||
| 83Sr | ||||
| 84Sr | 0.56% | stable | N/A | |
| 85Sr | ||||
| 86Sr | 9.86% | steady | N/A | |
| 87Sr | 7% | steady | N/A | |
| 88Sr | 82.58% | steady | N/A | |
| 89Sr | ||||
| 90Sr | ||||
| 91Sr | ||||
| 92Sr | ||||
| 93Sr | ||||
| 94Sr | ||||
| 95Sr | ||||
| 96Sr | ||||
| 97Sr | ||||
| 98Sr | ||||
| 99Sr | ||||
| 100Sr | ||||
| 101Sr | ||||
| 102Sr | ||||
| 103Sr | ||||
| 104Sr | ||||
| 105Sr |
Regulatory and Health - Health and also Safety Parameters and Guidelines
| CAS Number | CAS7440-24-6 |
| RTECS Number | N/A |
| period Hazard course | 4.2 |
| period Numbers | 1383 |
| EU Number | N/A |
| NFPA Fire Rating | N/A |
| NFPA perils | N/A |
| NFPA wellness Rating | N/A |
| NFPA Reactivity Rating | N/A |
| Autoignition point | N/A |
| Flashpoint | N/A |
Database Search
list of distinctive identifiers to search the element in miscellaneous chemical registry databases
| CAS Number - chemistry Abstracts service (CAS) | CAS7440-24-6 |
| CID Number | CID5359327 |
| Gmelin Number | N/A |
| NSC Number | N/A |
| RTECS Number | N/A |