Rubidium

aspect 37 of regular table is Rubidium v atomic number 37, atomic load 85.4678. Rubidium, prize Rb, has actually a Body centered Cubic structure and also Silver color. Rubidium is a alkali metal element. Trivial name of Rubidium is alkali metals*. Know everything around Rubidium Facts, physics Properties, chemical Properties, digital configuration, Atomic and Crystal Structure.


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Rubidium is a chemical element with prize Rb and atomic number 37. Rubidium is a soft, silvery-white metallic facet of the alkali steel group, through an atom mass that 85.4678. Elemental rubidium is extremely reactive, through properties comparable to those of other alkali metals, together as an extremely rapid oxidation in air.

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Rubidium Facts

Read an essential information and facts about element Rubidium

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

neighborhood
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

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How to locate Rubidium on regular Table

Periodic table is arranged by atomic number, number of protons in the nucleus which is exact same as variety of electrons. The atom number boosts from left come right. Regular table beginning at top left ( atom number 1) and ends in ~ bottom right (atomic number 118). As such you can straight look for atomic number 37 to find Rubidium on periodic table.

Another way to read regular table and also locate an facet is by using group number (column) and period number (row). To locate Rubidium on regular table look because that cross section of team 1 and period 5 in the modern-day periodic table.

discover Interactive routine Table come Understand and also Learn Cool trends

Table of Contents


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

Rubidium History

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

Rubidium Presence: diversity in Nature and Around Us

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

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

Crystal structure of Rubidium

The heavy state structure of Rubidium is Body centered Cubic.

The crystal structure deserve to be described in regards to its unit Cell. The unit cell repeats itself in 3 dimensional room to form the structure.

Unit cell Parameters

The unit cell is represented in regards to its lattice parameters, which room the lengths of the cabinet edges Lattice Constants (a, b and c)

a b c
558.5 558.5 558.5 pm

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

alpha beta gamma
π/2 π/2 π/2

The location of the atoms inside the unit cell are described by the collection of atomic positions ( xi, yi, zi) measured indigenous a reference lattice point.

The symmetry properties of the crystal are described by the principle of space groups. All possible symmetric arrangements of corpuscle in three-dimensional an are are defined by the 230 room groups (219 distinct types, or 230 if chiral copies are taken into consideration distinct.

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

Rubidium Atomic and also Orbital Properties

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


atom Number 37
Number of electron (with no charge) 37
Number of Protons 37
Mass Number 85
Number that Neutrons 48
Shell framework (Electrons per energy level) <2, 8, 18, 8, 1>
Electron configuration 5s1
Valence Electrons 5s1
Oxidation State -1 1
Atomic hatchet 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 floor state digital configuration of Neutral Rubidium atom is 5s1. The section of Rubidium configuration that is indistinguishable to the noble gas of the preceding period, is abbreviated together . Because that atoms with numerous electrons, this notation have the right to become an extensive and so an abbreviation notation is used.This is necessary as that is the Valence electron 5s1, electron in the outermost shell that determine the chemistry properties of the element.

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Unabbreviated digital configuration that neutral Rubidium

Complete floor state electronic configuration because that the Rubidium atom, Unabbreviated digital configuration

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

Atomic framework of Rubidium

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

atom Radius

265 afternoon (2.65 Å)

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

Atomic Spectrum that Rubidium

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Rubidium chemical 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 energy of Rubidium

Refer to table below for Ionization energies that 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 physics Properties

Refer to listed below table because that Rubidium physics Properties

thickness 1.532 g/cm3
Molar Volume 55.788381201 cm3

Elastic Properties

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

Hardness of Rubidium - tests to measure up of Hardness of 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

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

Rubidium Heat and also Conduction Properties

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

Rubidium Magnetic Properties

Magnetic kind Paramagnetic
Curie suggest 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 table of contents N/A

Acoustic nature of Rubidium

rate of Sound 1.3×103 m/s

Rubidium thermal Properties - Enthalpies and also thermodynamics

Refer to table listed below for heat properties of Rubidium

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

Enthalpies the Rubidium

heat of blend 2.19 kJ/mol
warmth of Vaporization 72 kJ/mol
warm of combustion N/A

Rubidium isotope - nuclear Properties of Rubidium

Isotopes of rhodium. Naturally developing Rubidium has actually 1 secure isotope - 85Rb.


Isotope Isotope fixed % variety T half Decay mode
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 also Guidelines

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

Database Search

perform of distinctive identifiers to search the aspect in assorted chemical registry databases

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

Compare Rubidium with all Group 1 elements

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

Compare Rubidium through all alkali metal elements

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