GROUP 16

OXYGEN

• Atomic symbol o
• Weight of about 15 atomic mass units (amu)
• Atomic number 18

OXYGEN (CONTINUED)

• Gas
• Humans and animals breathe

COMPOUNDS

• Water
• Fire

SULFUR

• Atomic symbol s
• Atomic number 16
• Weight: about 32 amu

Liquid sulfur

Room temperature

USES

• Gunpowder
• Fireworks
• Matches

SELENIUM

• Atomic symbol se
• Atomic number 34
• Weight: about 77 amu

Room temperature

SELENIUM (CONTINUED)

• More light, more conductivity
• Nonmetal
• Not flammable

Stained glass

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TELLURIUM

• Atomic symbol te
• Weight: about 127 amu
• Atomic number 52

Room temperature

TELLURIUM (CONTINUED)

• Used in alloys of copper and stainless steel
• Very toxic
• Workers exposed develop "tellurium breath"
• Present in about .001% of earth's crust

HISTORY

• Discovered by franz Joseph müler
• Researched for three years and discovered the element was tellurium
• Sent it to Martin Klaproth in 1796

POLONIUM

• Atomic symbol po
• Atomic number 82
• Weight: about 208
• Boiling point: 254 degrees c (489 degrees f)
• Melting point: 962 degrees c (1764 degrees f)

POLONIUM (CONTINUED)

• Named for Poland
• Metal
• Used to get static out of machinery
• Highly toxic

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WHAT TWO COMPOUNDS ARE OXYGEN A PART OF?

• A. Grass and wood
• Water and fire
• Electricity and stone
• Plastic and paper

WHICH OF THE FOLLOWING IS NOT A USE FOR SULFUR?

• A. Fireworks
• B. Glass blowing
• C. Gunpowder
• D. Matches

WHAT COLOR OF GLASS IS SELENIUM USED FOR?

• A. Red
• B. Green
• C. Blue
• D. None of the above

WHAT METAL IS TELLURIUM USED IN COMPOUNDS OF?

• A. Iron
• B. Copper
• C. Stainless steel
• D. Both b and c

WHAT COUNTRY IS POLONIUM NAMED AFTER?

• A. America
• B. Canada
• C. Europe
• D. Poland

SOURCES

• "Chemistry of Sulfur." - Chemwiki. Uc Davis, 1 Oct. 2013. Web. 4 Oct. 2015. Childs, Oliver. "Tobacco Firms Have Failed to Act on Radioactivity in Cigarettes. Here's Why." Cancer Research UK Science Blog Tobacco Firms Have Failed to Act on Radioactivity in Cigarettes Heres Why Comments. Cancer Research UK, 24 May 2012. Web. 3 Oct. 2015.

SOURCES (CONTINUED)

• Emsley, John. "Polonium." - Element Information, Properties and Uses. 2015. Web. 3 Oct. 2015. Emsley, John. "Sulfur." - Element Information, Properties and Uses. Royal Society of Chemistry, 2015. Web. 4 Oct. 2015. Gagnon, Steve. "The Element Polonium." It's Elemental -. Jefferson Lab. Web. 3 Oct. 2015.

SOURCES (CONTONUED)

• Jin, David. "Chemistry of Selenium." - Chemwiki. Uc Davis, 1 Oct. 2013. Web. 4 Oct. 2015. Winter, Mark. "Selenium: Reactions of Elements." Selenium»reactions of Elements [WebElements Periodic Table]. University of Sheffield, 2013. Web. 4 Oct. 2015. "Chemistry Explained." Selenium, Chemical Element. Advameg, 2015. Web. 3 Oct. 2015.