Rubidium

aspect 37 of regular table is Rubidium v atomic number 37, atomic load 85.4678. Rubidium, price Rb, has a Body centered Cubic structure and Silver color. Rubidium is a alkali metal element. Trivial surname of Rubidium is alkali metals*. Understand everything around Rubidium Facts, physical Properties, chemical Properties, electronic configuration, Atomic and also Crystal Structure.


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Rubidium is a chemical facet with prize Rb and also atomic number 37. Rubidium is a soft, silvery-white metallic facet of the alkali metal group, v an atomic mass that 85.4678. Elemental rubidium is very reactive, through properties similar to those of other alkali metals, such as an extremely rapid oxidation in air.

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Rubidium Facts

Read vital information and also facts around element Rubidium

surname Rubidium
atomic Number 37
atomic Symbol Rb
Atomic weight 85.4678
phase Solid
shade Silver
Classification alkali metal
team in regular Table 1
Group Name lithium family members
period in routine Table 5
Block in routine Table s-block
Electronic Configuration 5s1
Melting allude 39.31 °C
Boiling allude 688 °C
Electronic covering Structure <2, 8, 18, 8, 1>
CAS Number CAS7440-17-7

community
19
K
20
Ca
37
Rb
38
Sr
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

discover our interactive routine table


How to situate Rubidium on routine Table

Periodic table is arranged by atom number, number of protons in the nucleus which is exact same as variety of electrons. The atom number rises from left to right. Routine table start at top left ( atomic number 1) and also ends at bottom appropriate (atomic number 118). Because of this you can straight look because that atomic number 37 to uncover Rubidium on routine table.

Another way to read routine table and locate an facet is through using group number (column) and duration number (row). To find Rubidium on routine table look because that cross section of team 1 and period 5 in the contemporary periodic table.

explore Interactive regular Table come Understand and Learn Cool patterns

Table of Contents


History
Abundance
Physical Properties
Thermal Properties
Crystal Structure
Atomic & orbit Properties
Chemical Properties
Isotopes
Health and Safety Parameters and Guidelines
Databases
Compare Rubidium with various other elements

Rubidium History

The aspect Rubidium was discovered by Robert Bunsen in year 1861 in Germany . Rubidium acquired its name from the Latin rubidus, meaning "deep red"

Rubidium Presence: abundance in Nature and Around Us

The table below shows the variety of Rubidium in Universe, Sun, Meteorites, Earth"s Crust, Oceans and Human Body.

Ppb by load (1ppb =10^-7 %)
diversity in world 1×10-6%
abundance in sun 3×10-6%
diversity in Meteorites 3.2e-06
Abundance in Earth"s late 6e-05
abundance in oceans 1.2e-07
abundance in human beings 4.6e-06

Crystal framework of Rubidium

The solid state framework of Rubidium is Body focused Cubic.

The decision structure can be defined in terms of its unit Cell. The unit cells repeats chin in three dimensional room to form the structure.

Unit cabinet Parameters

The unit cabinet is stood for in terms of its lattice parameters, which space the lengths the the cabinet edges Lattice Constants (a, b and also c)

a b c
558.5 558.5 558.5 pm

and the angles between them Lattice angles (alpha, beta and also gamma).

alpha beta gamma
π/2 π/2 π/2

The positions of the atoms inside the unit cabinet are explained by the collection of atom positions ( xi, yi, zi) measured from a reference lattice point.

The symmetry nature of the crystal are defined by the concept of room groups. All feasible symmetric kinds of corpuscle in three-dimensional space are described by the 230 room groups (219 distinct types, or 230 if chiral copies are thought about distinct.

space Group surname Im_ 3m
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space Group Number 229
Crystal structure Body centered Cubic

Rubidium Atomic and also Orbital Properties

Rubidium atoms have actually 37 electrons and the digital shell structure is <2, 8, 18, 8, 1> with Atomic ax Symbol (Quantum Numbers) 2S1/2.


atom Number 37
Number of electrons (with no charge) 37
Number that Protons 37
Mass Number 85
Number that Neutrons 48
Shell structure (Electrons per energy level) <2, 8, 18, 8, 1>
Electron configuration 5s1
Valence Electrons 5s1
Oxidation State -1 1
Atomic term Symbol (Quantum Numbers) 2S1/2

Shell structure of Rubidium - electron per energy level


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Ground State electronic Configuration of Rubidium - neutral Rubidium atom

The ground state electronic configuration that Neutral Rubidium atom is 5s1. The section of Rubidium configuration the is indistinguishable to the noble gas that the coming before period, is abbreviated as . Because that atoms with numerous electrons, this notation have the right to become prolonged and therefore an abbreviated notation is used.This is essential as the is the Valence electrons 5s1, electron in the outermost shell that recognize the chemistry properties the the element.

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Unabbreviated electronic configuration the neutral Rubidium

Complete ground state digital configuration for the Rubidium atom, Unabbreviated electronic configuration

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s1

Atomic structure of Rubidium

Rubidium atom radius is 265 pm, if it"s covalent radius is 211 pm.

atomic Radius

265 pm (2.65 Å)

Atomic Volume 55.788381201 cm3
Covalent Radius 211 pm (2.11 Å)
valve der Waals Radius N/A
neutron Cross ar 0.38 σa/barns

Atomic Spectrum the Rubidium

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Rubidium chemistry Properties: Rubidium Ionization Energies and electron affinity

The electron affinity of Rubidium is 46.9 kJ/mol

Valence 1
Electronegativity 0.82
ElectronAffinity 46.9 kJ/mol

Ionization power of Rubidium

Refer to table below for Ionization energies of Rubidium

Ionization power number Enthalpy - kJ/mol
1 403
2 2633
3 3860
4 5080
5 6850
6 8140
7 9570
8 13120
9 1.45×104
10 26740

Rubidium physical Properties

Refer to listed below table for Rubidium physics Properties

density 1.532 g/cm3
Molar Volume 55.788381201 cm3

Elastic Properties

Young Modulus 2.4 GPa
Shear Modulus N/A
mass Modulus 2.5 GPa
Poisson ratio N/A

Hardness of Rubidium - tests to measure up of Hardness that Element

Mohs Hardness 0.3 MPa
Vickers Hardness N/A
Brinell Hardness 0.216 MPa

Rubidium electrical Properties

Rubidium is Conductor that electricity. Refer to table listed below for the electrical properties the Rubidium

electric Conductivity 8.3×106 S/m
Resistivity 1.2×10-7 m Ω
Superconducting point N/A

Rubidium Heat and Conduction Properties

heat Conductivity 58 W/(m K)
Thermal growth N/A

Rubidium Magnetic Properties

Magnetic form Paramagnetic
Curie point N/A
mass Magnetic Susceptibility 2.6×10-9
Molar Magnetic Susceptibility 2.22×10-10
Volume Magnetic Susceptibility 3.98×10-6

Optical nature of Rubidium

Refractive index N/A

Acoustic properties of Rubidium

rate of Sound 1.3×103 m/s

Rubidium heat Properties - Enthalpies and thermodynamics

Refer to table below for heat properties the Rubidium

Melting point 312.46 K (39.31 °C)
Boiling point 961 K (688 °C)
an essential Temperature 2093 K
Superconducting point N/A

Enthalpies that Rubidium

heat of fusion 2.19 kJ/mol
warmth of Vaporization 72 kJ/mol
warm of burning N/A

Rubidium isotopes - atom Properties that Rubidium

Isotopes the rhodium. Naturally developing Rubidium has actually 1 stable isotope - 85Rb.


Isotope Isotope fixed % variety T half Decay setting
71Rb
72Rb
73Rb
74Rb
75Rb
76Rb
77Rb
78Rb
79Rb
80Rb
81Rb
82Rb
83Rb
84Rb
85Rb 72.17% stable N/A
86Rb
87Rb 27.83%
88Rb
89Rb
90Rb
91Rb
92Rb
93Rb
94Rb
95Rb
96Rb
97Rb
98Rb
99Rb
100Rb
101Rb
102Rb

Regulatory and also Health - Health and also Safety Parameters and Guidelines

CAS Number CAS7440-17-7
RTECS Number RTECSVL8500000
dot Hazard course 4.3
dot Numbers 1423
EU Number N/A
NFPA Fire Rating 3
NFPA risks Water Reactive
NFPA health Rating 2
NFPA Reactivity Rating N/A
Autoignition suggest N/A
Flashpoint N/A

Database Search

list of distinct identifiers to find the facet in miscellaneous chemical it is registered databases

Database identifier number
CAS Number - chemical Abstracts business (CAS) CAS7440-17-7
CID Number CID5357696
Gmelin Number N/A
NSC Number N/A
RTECS Number RTECSVL8500000

Compare Rubidium v all Group 1 elements

Rubidium vs Hydrogen Rubidium vs Lithium Rubidium vs salt Rubidium vs Potassium Rubidium vs Cesium Rubidium vs Francium

Compare Rubidium v all alkali metal elements

Rubidium vs Lithium Rubidium vs sodium Rubidium vs Potassium Rubidium vs Cesium Rubidium vs Francium