Meitnerium

Strontium

Meitnerium Strontium Comparison

Meitnerium

Strontium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

0 17

1.3 Period Number

2 7

1.4 Block

d block

s block

1.5 Element Family

Probably Transition

Alkaline Earth

1.6 CAS Number

540380167440246

7429905 54386242

1.7 Space Group Name

Not Available

Fm_ 3m

1.8 Space Group Number

NA225.00

11 229

2 Facts

2.1 Interesting Facts

Not Available

Strontium element is softer than Calcium.
Silvery Strontium turns yellow, if exposed to air.

2.2 Sources

Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Gesellschaft für Schwerionenforschung

William Cruickshank

2.3.2 Discovery

In 1982

In 1787

2.4 Abundance

2.4.1 Abundance In Universe

NA4 * 10^-6 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.000005 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NA0.00 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

NA0.04 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

NA0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Currently known uses of Meitnerium metal are limited to research purpose only.

Strontium metal is used to producing ferrite magnets as well as refining zinc.
By-product of nuclear reactors called Strontium-90 is a radioactive isotope; it is absorbed by tissues and destroys bone marrow and cancer growth.

3.1.1 Industrial Uses

Ammunition Industry, Chemical Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Unknown

Non Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-30.03 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.00 p.p.m.140.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

NA769.00 °C

27 3410

4.2 Boiling Point

NA1,384.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Unknown

Silvery White

4.3.3 Luster

Unknown Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

NA1.50

0.2 8.5

4.4.2 Brinell Hardness

NANA

0.14 3490

4.4.3 Vickers Hardness

NANA

121 3430

4.5 Speed of Sound

NANA

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NANA

58 97

4.7 Allotropes

✔ ✘

4.7.1 α Allotropes

Not Available

4.7.2 β Allotropes

Not Available

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

5.2 Isotopes

5.2.1 Known Isotopes

427

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

NA0.95

0.7 2.54

5.3.2 Sanderson Electronegativity

NA0.72

0.22 2.56

5.3.3 Allred Rochow Electronegativity

NA0.99

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NA1.00

0.62 2.48

5.3.5 Allen Electronegativity

NA0.96

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

NA3.05

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

800.80 kJ/mol549.50 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,823.60 kJ/mol1,064.20 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,904.20 kJ/mol4,138.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,859.40 kJ/mol5,500.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

4,920.80 kJ/mol6,910.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA8,760.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA10,230.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA11,800.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA15,600.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA17,100.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA31,270.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NANA

22219 189368

5.5.13 13th Energy Level

NANA

26930 76015

5.5.14 14th Energy Level

NANA

29196 86450

5.5.15 15th Energy Level

NANA

41987 97510

5.5.16 16th Energy Level

NANA

47206 109480

5.5.17 17th Energy Level

NANA

52737 122200

5.5.18 18th Energy Level

NANA

58570 134810

5.5.19 19th Energy Level

NANA

64702 148700

5.5.20 20th Energy Level

NANA

80400 171200

5.5.21 21st Energy Level

NANA

87000 179100

5.5.22 22nd Energy Level

NANA

93400 184900

5.5.23 23rd Energy Level

NANA

98420 198800

5.5.24 24th Energy Level

NANA

104400 195200

5.5.25 25th Energy Level

NANA

121900 121900

5.5.26 26th Energy Level

NANA

127700 127700

5.5.27 27th Energy Level

NANA

133800 133800

5.5.28 28th Energy Level

NANA

139800 139800

5.5.29 29th Energy Level

NANA

148100 148100

5.5.30 30th Energy Level

NANA

154500 154500

5.6 Electrochemical Equivalent

NA1.64 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

NA2.59 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Radioactivity

Ionization, Radioactive Isotopes, Radioactivity, Solubility

6 Atomic

6.1 Atomic Number

10938

3 117

6.2 Electron Configuration

[Rn] 5f¹⁴ 6d⁷ 7s²

[Kr] 5s²

6.3 Crystal Structure

Face Centered Cubic (FCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

10938

3 117

6.4.2 Number of Neutrons

15750

4 184

6.4.3 Number of Electrons

10938

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

122.00 pm215.00 pm

112 265

6.5.2 Covalent Radius

129.00 pm195.00 pm

96 260

6.5.3 Van der Waals Radius

NA249.00 pm

139 348

6.6 Atomic Weight

278.00 amu87.62 amu

6.94 294

6.7 Atomic Volume

NA33.70 cm3/mol

1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

NA25.70 (-eV)

8 392.42

6.10 Lattice Constant

NA608.49 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

37.40 g/cm³2.64 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

NA2.38 g/cm3

0.512 20

7.2 Tensile Strength

NANA

2.5 11000

7.3 Viscosity

NANA

0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

NA121.00 (Pa)

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

NANA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

NA6.03 GPa

1.3 222

7.5.2 Bulk Modulus

NANA

1.6 462

7.5.3 Young's Modulus

NA15.70 GPa

1.7 528

7.6 Poisson Ratio

NA0.28

0.032 0.47

7.7 Other Mechanical Properties

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

NA2.64

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

8.1.3 Permeability

NANA

1.25643E-06 0.0063

8.1.4 Susceptibility

NANA

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Unknown

8.2.2 Resistivity

NA132.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

NA0.08 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

NA5.03 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

NA0.30 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

NA26.40 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

NA35.40 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

NA22.50 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

NA150.00 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

NA9.16 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

NA163.20 kJ/mol

61.5 837

9.7 Standard Molar Entropy

NA55.00 J/mol.K

9.5 198.1

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