Lawrensium

103

nobelium ← lawrencium → rutherfordium

Lu
↑
Lr
↓
(Upt)

Tabel périodik

Katrangan Umum Unsur

Jeneng, Lambang, Nomer atom

lawrencium, Lr, 103

Dhèrèt kimia

transition metals

Golongan, Periode, Blok

n/a, 7, d

Rupa

unknown, probably silvery
white or metallic gray

Massa atom

[262] g/mol

Konfigurasi elektron

[Rn] 5f¹⁴ 6d¹ 7s²

Cacahing èlèktron saben kulit

2, 8, 18, 32, 32, 9, 2

Ciri-ciri fisik

Fase

presumably a solid

Titik lebur

- K
(- °C, - °F)

Ciri-ciri atom

Bilangan oksidasi

3

Elektronegativitas

- (skala Pauling)

Energi ionisasi

pertama: 443.8 kJ/mol

ke-2: 1428.0 kJ/mol

ke-3: 2219.1 kJ/mol

Lain-lain

Nomor CAS

22537-19-5

Isotop

iso	NA	waktu paruh	DM	DE (MeV)	DP
²⁶²Lr	syn	3.6 h	EC		²⁶²No
²⁶¹Lr	syn	44 m	SF/EC?
²⁶⁰Lr	syn	2.7 m	alpha	8.04	²⁵⁶Md
²⁵⁹Lr	syn	6.2 s	78% alpha	8.44	²⁵⁵Md
²⁵⁹Lr	syn	6.2 s	22% SF
²⁵⁸Lr	syn	4.1 s	alpha	8.68,8.65,8.62,8.59	²⁵⁴Md
²⁵⁷Lr	syn	0.65 s	alpha	8.86,8.80	²⁵³Md
²⁵⁶Lr	syn	27 s	alpha	8.62,8.52,8.32...	²⁵²Md
²⁵⁵Lr	syn	21.5 s	alpha	8.43,8.37	²⁵¹Md
²⁵⁴Lr	syn	13 s	78% alpha	8.46,8.41	²⁵⁰Md
²⁵⁴Lr	syn	13 s	22% EC		²⁵⁴No
²⁵³Lr^m	syn	0.57 s	alpha	8.79	²⁴⁹Md
²⁵³Lr^g	syn	1.49 s	92% alpha	8.72	²⁴⁹Md
²⁵³Lr^g	syn	1.49 s	8% SF
²⁵²Lr	syn	0.36 s	alpha	9.02,8.97	²⁴⁸Md

Referensi

Lawrencium (uniné /ləˈrɛnsiəm/) iku èlemèn sintètis radioaktif kanthi simbul Lr (biyèn Lw) lan nomer atom 103.

Rujukan

Cathetan

Los Alamos National Laboratory's Chemistry Division: Periodic Table - Lawrencium Archived 2006-10-26 at the Wayback Machine.
Guide to the Elements - Revised Edition, Albert Stwertka, (Oxford University Press; 1998) ISBN 0-19-508083-1

Pranala njaba

WebElements.com - Lawrencium

Golongan →

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

Période ↓

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

*

71
Lu

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

**

103
Lr

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

* Lantanida

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

** Aktinida

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

Seri Kimia saka Tabel Périodik
Logam alkali	Alkali tanah	Lantanida	Aktinida	Logam transisi
Logam	Metaloid	Nonlogam	Halogen	Gas mulia