Number Of Neutrons In Strontium

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Proper noun
Atomic Number
Atomic Mass
Electron Configuration
Number of Neutrons
Melting Point
Boiling Point
Date of Discovery
Crystal Structure

Chemical element Groups:
Brine Metals
Element of group i Earth Metals
Transition Metals
Other Metals
Metalloids
Non-Metals
Halogens
Noble Gases
Rare Globe Elements

Basic Information | Diminutive Structure | Isotopes | Related Links | Citing This Page

Basic Information

Proper name: Strontium
Symbol: Sr
Atomic Number: 38
Atomic Mass: 87.62 amu
Melting Indicate: 769.0 °C (1042.15 K, 1416.2 °F)
Boiling Point: 1384.0 °C (1657.fifteen K, 2523.2 °F)
Number of Protons/Electrons: 38
Number of Neutrons: 50
Nomenclature: Alkaline Earth
Crystal Structure: Cubic
Density @ 293 One thousand: 2.54 g/cm³
Color: yellowish

Diminutive Construction

Number of Energy Levels: 5

First Energy Level:

Second Free energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Free energy Level:

Isotopes

Isotope	Half Life
Sr-82	25.36 days
Sr-83	1.35 days
Sr-84	Stable
Sr-85	64.84 days
Sr-85m	ane.27 hours
Sr-86	Stable
Sr-87	Stable
Sr-87m	2.8 hours
Sr-88	Stable
Sr-89	50.52 days
Sr-90	29.ane years
Sr-91	9.5 hours
Sr-92	2.71 hours
Sr-93	7.4 minutes

Facts

Engagement of Discovery: 1790
Discoverer: A. Crawford

Name Origin: Afterward Strotian (a Scottish town)
Uses: flares, fireworks, cherry color
Obtained From: celestite, strontianite

MLA Format for Citing This Page

Bentor, Yinon. Chemical element.com - Strontium. <http://www.chemicalelements.com/elements/sr.html>.

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