Grant's Wiki

Symbol: Sr external image thumbnail.aspx?q=257608914232&id=0e864a5f00bd8885fbb75d581fdda20c&url=http%3a%2f%2ftheodoregray.com%2fPeriodicTableDisplay%2fSamples%2f038.2%2fs14.JPG

Atomic Number: 38

Atomic Mass: 87.62

# of Protons: 38

# of Neutrons: 50

# of Electons: 38

Melting Point: 769 degrees

Boiling Point: 1384 degrees

Normal Phase: solid external image thumbnail.aspx?q=280386415945&id=1b0102184199fb507a945036cfb86948&url=http%3a%2f%2fupload.wikimedia.org%2fwikipedia%2fcommons%2fthumb%2fd%2fd3%2fElectron_shell_038_Strontium.svg%2f558px-Elec

Cost for 100 g: $100

Classification: metal

Family: alkaline earth metal

Origin of Name: from Strontian, the Scottish town where it was discovered

Discovered by: A. Crawford in 1790

Interesting Info:

1. discovered in a Scottish mine

2. does not occur naturally

3. very soft

4. scratches easily

5. used in toothpastes and fireworks

6. spontaneously combusts when exposed to air