User:Femto/elements e10

General

francium, Fr, 87

1, 7, s

metallic

(223) g·mol⁻¹

[Rn] 7s¹

2, 8, 18, 32, 18, 8, 1

Physical properties

solid

Density (near r.t.)

? 1.87 g·cm⁻³

Melting point

300 K
(27 °C, 80 °F)

Boiling point

? 950 K
(? 677 °C, ? °F)

Heat of fusion

ca. 2 kJ·mol⁻¹

Heat of vaporization

ca. 65 kJ·mol⁻¹

Vapor pressure
P(Pa)	1	10	100	1 k	10 k	100 k
at T(K)	(404)	(454)	(519)	(608)	(738)	(946)

Atomic properties

Crystal structure

cubic body centered

Oxidation states

1
(strongly basic oxide)

Electronegativity

0.7 (Pauling scale)

Ionization energies

1st: 380 kJ/mol

Miscellaneous

Magnetic ordering

???

Thermal conductivity

(300 K) ??? 15 W·m⁻¹·K⁻¹

7440-73-5

Selected isotopes

Main article: Isotopes of femto/elements e10
iso	NA	half-life	DM	DE (MeV)	DP
²²²Fr	syn	14.2 m	ß^-	2.033	²²²Ra
²²³Fr	100%	22.00 m	ß^-	1.149	²²¹Ra
²²³Fr	100%	22.00 m	α	5.430	²¹⁹At

[edit] radium

francium ← radium → actinium

Ba
↑
Ra
↓
(Ubn)

General

radium, Ra, 88

Chemical series

alkaline earth metals

Group, Period, Block

2, 7, s

Appearance

silvery white metallic

(226) g·mol⁻¹

[Rn] 7s²

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

Physical properties

solid

Density (near r.t.)

5.5 g·cm⁻³

Melting point

973 K
(700 °C, 1292 °F)

Boiling point

2010 K
(1737 °C, 3159 °F)

Heat of fusion

8.5 kJ·mol⁻¹

Heat of vaporization

113 kJ·mol⁻¹

Heat capacity

(25 °C) ??? J·mol⁻¹·K⁻¹

Vapor pressure
P(Pa)	1	10	100	1 k	10 k	100 k
at T(K)	819	906	1037	1209	1446	1799

Atomic properties

Crystal structure

cubic body centered

Oxidation states

2
(strongly basic oxide)

Electronegativity

0.9 (Pauling scale)

Ionization energies

1st: 509.3 kJ/mol

2nd: 979.0 kJ/mol

Atomic radius

215 pm

Miscellaneous

Magnetic ordering

nonmagnetic

Electrical resistivity

(20 °C) 1 µ Ω·m

Thermal conductivity

(300 K) 18.6 W·m⁻¹·K⁻¹

7440-14-4

Selected isotopes

Main article: Isotopes of femto/elements e10
iso	NA	half-life	DM	DE (MeV)	DP
²²⁶Ra	trace	1602 y	alpha	4.871	²²²Rn
²²⁸Ra	syn	6.7 y	beta^-	0.046	²²⁸Ac

[edit] lawrencium

103

nobelium ← lawrencium → rutherfordium

Lu
↑
Lr
↓
(Upt)

General

lawrencium, Lr, 103

3, 7, d

unknown, probably silvery
white or metallic gray

(262) g·mol⁻¹

probably [Rn] 5f¹⁴ 7s² 7p¹

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

presumably a solid

Melting point

1900 K
(1627 °C, 2961 °F)

Ionization energies

1st: 470 kJ/mol

22537-19-5

[edit] rutherfordium

104

lawrencium ← rutherfordium → dubnium

Hf
↑
Rf
↓
(Upq)

General

rutherfordium, Rf, 104

4, 7, d

unknown, probably silvery
white or metallic gray

(261) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d² 7s²

2, 8, 18, 32, 32, 10, 2

presumably a solid

1st: 580 kJ/mol

53850-36-5

[edit] dubnium

105

rutherfordium ← dubnium → seaborgium

Ta
↑
Db
↓
(Upp)

General

dubnium, Db, 105

5, 7, d

unknown, probably silvery
white or metallic gray

(262) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d³ 7s²

2, 8, 18, 32, 32, 11, 2

presumably a solid

53850-35-4

[edit] seaborgium

106

dubnium ← seaborgium → bohrium

W
↑
Sg
↓
(Uph)

General

seaborgium, Sg, 106

6, 7, d

unknown, probably silvery
white or metallic gray

(266) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d⁴ 7s²

2, 8, 18, 32, 32, 12, 2

presumably a solid

54038-81-2

[edit] bohrium

107

seaborgium ← bohrium → hassium

Re
↑
Bh
↓
(Ups)

General

bohrium, Bh, 107

7, 7, d

unknown, probably silvery
white or metallic gray

(264) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d⁵ 7s²

2, 8, 18, 32, 32, 13, 2

presumably a solid

54037-14-8

[edit] hassium

108

bohrium ← hassium → meitnerium

Os
↑
Hs
↓
(Upo)

General

hassium, Hs, 108

8, 7, d

unknown, probably silvery
white or metallic gray

(277) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d⁶ 7s²

2, 8, 18, 32, 32, 14, 2

presumably a solid

54037-57-9

[edit] meitnerium

109

hassium ← meitnerium → darmstadtium

Ir
↑
Mt
↓
(Upe)

General

meitnerium, Mt, 109

9, 7, d

unknown, probably silvery
white or metallic gray

(268) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d⁷ 7s²

2, 8, 18, 32, 32, 15, 2

presumably a solid

54038-01-6

[edit] darmstadtium

110

meitnerium ← darmstadtium → roentgenium

Pt
↑
Ds
↓
(Uhn)

General

darmstadtium, Ds, 110

10, 7, d

unknown, probably silvery
white or metallic gray

(281) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d⁹ 7s¹

2, 8, 18, 32, 32, 16, 2

presumably a solid

54083-77-1

[edit] roentgenium

111

darmstadtium ← roentgenium → ununbium

Au
↑
Rg
↓
(Uhu)

General

roentgenium, Rg, 111

11, 7, d

unknown, probably silvery
white or metallic gray

(272) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d¹⁰ 7s¹

2, 8, 18, 32, 32, 17, 2

presumably a solid

54386-24-2

[edit] ununbium

112

roentgenium ← ununbium → ununtrium

Hg
↑
Uub
↓
(Uhb)

General

ununbium, Uub, 112

12, 7, d

unknown, probably silvery
white or metallic gray

(277) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d¹⁰ 7s²

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

54084-26-3

[edit] ununtrium

113

ununbium ← ununtrium → ununquadium

Tl
↑
Uut
↓
(Uht)

General

ununtrium, Uut, 113

13, 7, p

unknown, probably silvery
white or metallic gray

(284) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d¹⁰ 7s²7p¹

2, 8, 18, 32, 32, 18, 3

presumably a solid

54084-70-7

[edit] ununquadium

114

ununtrium ← ununquadium → ununpentium

Pb
↑
Uuq
↓
(Uhq)

General

ununquadium, Uuq, 114

14, 7, p

unknown, probably silvery
white or metallic gray

(289) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²

2, 8, 18, 32, 32, 18, 4

presumably a solid

54085-16-4

[edit] ununpentium

115

ununquadium ← ununpentium → ununhexium

Bi
↑
Uup
↓
(Uhp)

General

ununpentium, Uup, 115

15, 7, p

unknown, probably silvery
white or metallic gray

(288) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d¹⁰ 7s²7p³

2, 8, 18, 32, 32, 18, 5

presumably a solid

54085-64-2

[edit] ununhexium

116

ununpentium ← ununhexium → (Uus)

Po
↑
Uuh
↓
(Uhh)

General

ununhexium, Uuh, 116

16, 7, p

unknown, probably silvery
white or metallic gray

(292) g·mol⁻¹

probably [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁴

2, 8, 18, 32, 32, 18, 6

presumably a solid

54100-71-9