Strontium

Zinc

Strontium vs Zinc

Strontium

Zinc

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1 Periodic Table

1.1 Symbol

1.2 Group Number

212

0 17

1.3 Period Number

2 7

1.4 Block

s block

d block

1.5 Element Family

Alkaline Earth

Transition Metal

1.6 CAS Number

74402467440666

7429905 54386242

1.7 Space Group Name

Fm_ 3m

P63/mmc

1.8 Space Group Number

225.00194.00

11 229

2 Facts

2.1 Interesting Facts

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

Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.

2.2 Sources

Found in Minerals, Mining, Ores of Minerals

Earth's crust, Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

William Cruickshank

Indian metallurgists

2.3.2 Discovery

In 1787

Before 1000 BCE

2.4 Abundance

2.4.1 Abundance In Universe

4 * 10^-6 %3 * 10^-5 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.000005 %~0.0002 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.02 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.04 %0.01 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

0.00 %0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

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.

It is mainly used for Galvanizing other metals.
It is also used for manufacturing die-casting and it is very essential for automobile industry.

3.1.1 Industrial Uses

Ammunition Industry, Chemical Industry

Electrical Industry, Electronic Industry

3.1.2 Medical Uses

Pharmaceutical Industry

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Non Toxic

Highly Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.03 Blood/mg dm-37.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

140.00 p.p.m.170.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

769.00 °C419.58 °C

27 3410

4.2 Boiling Point

1,384.00 °C907.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silvery White

Silvery Gray

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

1.502.50

0.2 8.5

4.4.2 Brinell Hardness

NA327.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NANA

121 3430

4.5 Speed of Sound

NA3,850.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NA1.00

1.000933 1.7229

4.6.2 Reflectivity

NA80.00 %

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

2725

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

0.951.65

0.7 2.54

5.3.2 Sanderson Electronegativity

0.722.23

0.22 2.56

5.3.3 Allred Rochow Electronegativity

0.991.66

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

1.001.65

0.62 2.48

5.3.5 Allen Electronegativity

0.961.59

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

3.052.35

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

549.50 kJ/mol906.40 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,064.20 kJ/mol1,733.30 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

4,138.00 kJ/mol3,833.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

5,500.00 kJ/mol5,731.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

6,910.00 kJ/mol7,970.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

8,760.00 kJ/mol10,400.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

10,230.00 kJ/mol12,900.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

11,800.00 kJ/mol16,800.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

15,600.00 kJ/mol19,600.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

17,100.00 kJ/mol23,000.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

31,270.00 kJ/mol26,400.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NA29,990.00 kJ/mol

22219 189368

5.5.13 13th Energy Level

NA40,490.00 kJ/mol

26930 76015

5.5.14 14th Energy Level

NA43,800.00 kJ/mol

29196 86450

5.5.15 15th Energy Level

NA47,300.00 kJ/mol

41987 97510

5.5.16 16th Energy Level

NA52,300.00 kJ/mol

47206 109480

5.5.17 17th Energy Level

NA55,900.00 kJ/mol

52737 122200

5.5.18 18th Energy Level

NA59,700.00 kJ/mol

58570 134810

5.5.19 19th Energy Level

NA67,300.00 kJ/mol

64702 148700

5.5.20 20th Energy Level

NA171,200.00 kJ/mol

80400 171200

5.5.21 21st Energy Level

NA179,100.00 kJ/mol

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

1.64 g/amp-hr1.22 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

2.59 eV4.33 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Radioactivity, Solubility

Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

3830

3 117

6.2 Electron Configuration

[Kr] 5s²

[Ar] 3d¹⁰ 4s²

6.3 Crystal Structure

Face Centered Cubic (FCC)

Hexagonal Close Packed (HCP)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

3830

3 117

6.4.2 Number of Neutrons

5035

4 184

6.4.3 Number of Electrons

3830

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

215.00 pm134.00 pm

112 265

6.5.2 Covalent Radius

195.00 pm122.00 pm

96 260

6.5.3 Van der Waals Radius

249.00 pm139.00 pm

139 348

6.6 Atomic Weight

87.62 amu65.38 amu

6.94 294

6.7 Atomic Volume

33.70 cm3/mol9.20 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

25.70 (-eV)38.90 (-eV)

8 392.42

6.10 Lattice Constant

608.49 pm266.49 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

π/2, π/2, 2 π/3

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

2.64 g/cm³7.14 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

2.38 g/cm36.57 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

121.00 (Pa)NA

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

6.03 GPa43.00 GPa

1.3 222

7.5.2 Bulk Modulus

NA70.00 GPa

1.6 462

7.5.3 Young's Modulus

15.70 GPa108.00 GPa

1.7 528

7.6 Poisson Ratio

0.280.25

0.032 0.47

7.7 Other Mechanical Properties

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

2.646.90

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

Diamagnetic

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

Conductor

8.2.2 Resistivity

132.00 nΩ·m59.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.08 10⁶/cm Ω0.17 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

5.03 kJ/mol0.00 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.30 J/(kg K)0.39 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

26.40 J/mol·K25.47 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

35.40 W/m·K116.00 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

22.50 µm/(m·K)30.20 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

150.00 kJ/mol7.32 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

9.16 kJ/mol7.32 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

163.20 kJ/mol129.70 kJ/mol

61.5 837

9.7 Standard Molar Entropy

55.00 J/mol.K41.60 J/mol.K

9.5 198.1

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