Symbol
Ra
Nh
Panggil Group
213
0
17
👆🏻
Panggil periode
77
2
7
👆🏻
Block
s pemblokiran
p pemblokiran
Family unsur
alkalin bumi
Transisi mbokmenawa Post-
CAS Number
744014454084707
7429905
54386242
👆🏻
Jeneng papan Group
3M Im_
-
Space Group Number
229.00194.00
11
276
👆🏻
Facts Interesting
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
Nihonium minangka unsur kimia sintetik lan radioaktif banget.
sumber
Mining, Ores logam
sintetik Diprodhuksi
History
sing katutup
-
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
Discovery
ing taun 1898
ing 2003
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %-
0
0.1
👆🏻
Turah mbrawah Ing meteorit
--
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %-
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %-
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %-
0
1.4
👆🏻
Ulah lan Wuku
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
- Efesus saiki dikenal saka logam Ununtrium sing winates kanggo riset waé mung.
Ulah Industrial
-
-
Ulah Medical
Industry Pharmaceutical
-
Ulah liyane
-
tujuan Research
Properties biologi
keracunan
Highly Toxic
-
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-30.00 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm0.20 ppm
0
170000
👆🏻
leleh Point
700.00 ° C430.00 ° C
-38.83
3410
👆🏻
Boiling Point
1,737.00 ° C1,130.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
perak Putih
-
luster
metallic
Unknown Luster
atose
Mohs atose
1.00-
0.2
8.5
👆🏻
Brinell atose
700.00 MPa600.00 MPa
0.14
3490
👆🏻
Vickers atose
140.00 MPa350.00 MPa
0
3920
👆🏻
Kacepetan swara
3,150.00 m / s3,600.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.001.30
0.155
3.41
👆🏻
reflectivity
83.00 %60.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Ra
Nh
isotop
Isotop dikenal
337
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
0.901.30
0
2.6
👆🏻
Sanderson Elektronegativitas
0.891.90
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
0.971.30
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
0.921.00
0.62
2.48
👆🏻
Allen Elektronegativitas
0.890.70
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
3.102.20
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
509.30 kJ / mol704.90 kJ / mol
375.7
26130
👆🏻
Level Energy 2
979.00 kJ / mol2,238.50 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
509.30 kJ / mol3,023.30 kJ / mol
392.8
34230
👆🏻
Level Energy 4
5,093.00 kJ / mol4,351.50 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,090.00 kJ / mol5,692.60 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,090.00 kJ / mol7,000.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,090.00 kJ / mol7,040.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,090.00 kJ / mol7,040.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,090.00 kJ / mol7,040.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
5,090.00 kJ / mol7,040.00 kJ / mol
392
144300
👆🏻
Level Energy 11
5,090.00 kJ / mol7,040.00 kJ / mol
392
169988
👆🏻
Level Energy 12
5,090.00 kJ / mol70,000.00 kJ / mol
0
189368
👆🏻
Level Energy 13
5,090.00 kJ / mol7,000.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
5,090.00 kJ / mol7,000.00 kJ / mol
380
86450
👆🏻
Level Energy 15
50,900.00 kJ / mol70,000.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
50,900.00 kJ / mol70,000.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
509.30 kJ / mol540.00 kJ / mol
375.7
122200
👆🏻
Level Energy 18
5,090.00 kJ / mol3,200.00 kJ / mol
0
134810
👆🏻
Level Energy 19
509.30 kJ / mol540.20 kJ / mol
375.7
148700
👆🏻
Level Energy 20
509.00 kJ / mol700.00 kJ / mol
0
171200
👆🏻
Level Energy 21
509.30 kJ / mol1,130.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
509.00 kJ / mol558.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
509.30 kJ / mol7,000.00 kJ / mol
357.6
198800
👆🏻
Level Energy 24
509.30 kJ / mol700.00 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
509.00 kJ / mol0.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
509.30 kJ / mol586.20 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
509.30 kJ / mol704.90 kJ / mol
0
133800
👆🏻
Level Energy 28th
509.30 kJ / mol704.90 kJ / mol
297.3
139800
👆🏻
Level Energy 29
509.30 kJ / mol704.90 kJ / mol
0
148100
👆🏻
Level Energy 30
509.00 kJ / mol704.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
4.22 g / amp-day3.00 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.30 eV4.90 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
Kimia Stabilitas, ionisasi
Panggil atom
88113
3
117
👆🏻
Konfigurasi elektron
[Rn] 7s 2
[Rn] 5F 14 6D 10 7s 2 7p 1
Struktur Crystal
Body tengah kubik (Bcc)
ora Lake
Crystal pola
atom
Jumlah proton
88113
3
117
👆🏻
Jumlah Neutron
138150
4
285
👆🏻
Jumlah Èlèktron
88113
3
117
👆🏻
Radius saka Atom
Radius atom
215.00 pm170.00 pm
0
348
👆🏻
kovalen Radius
221.00 pm170.00 pm
0
260
👆🏻
Van der Waals Radius
283.00 pm320.00 pm
0
348
👆🏻
Bobot atom
226.00 Amu286.00 Amu
6.94
294
👆🏻
Volume atom
45.20 cm3 / mol21.10 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
20.10 (-eV)6.20 (-eV)
0
392.42
👆🏻
Constant pola
514.80 pm0.00 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, π/2
-
Pola C / A rasio
1.571.58
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
5.50 g / cm 316.00 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
5.50 g / cm316.00 g / cm3
0.512
41
👆🏻
Strength tensile
40.00 MPa80.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
25.00 GPA40.00 GPA
1.3
222
👆🏻
pengaturan akeh
43.00 GPA0.00 GPA
0
462
👆🏻
Young kang pengaturan
83.00 GPA12.20 GPA
0
528
👆🏻
Poisson rasio
0.310.30
0.032
0.47
👆🏻
Properties Teknik liyane
-
-
Ciri Magnetic
Gravitasi tartamtu
5.0016.00
0.53
4500
👆🏻
Nindakake Magnetic
nonmagnetic
-
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
-
-
resistivity
100.00 nΩ · m0.32 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.00 10 6 / cm Ω0.00 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
0.90 kJ / mol0.00 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.12 J / (kg K)0.12 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
20.05 J / mol · K27.00 J / mol · K
13.1
62.7
👆🏻
doyo termal
18.60 W / m · K1.70 W / m · K
0
429
👆🏻
suhu kritis
973.00 K700.00 K
26.3
3695
👆🏻
Expansion termal
8.50 μm / (m · K)6.20 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
113.00 kJ / mol410.80 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
8.60 kJ / mol-
2.1
35.23
👆🏻
Enthalpy saka atomization
163.00 kJ / mol320.70 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
71.00 J / mol.K65.00 J / mol.K
9.5
198.1
👆🏻