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Mathematics 10 Online
OpenStudy (anonymous):

how many known elements exist? (atoms easy medal question) A. more than 100 B. more than 1,000 C. 50 D. 5,00

hero (hero):

A

OpenStudy (anonymous):

d. is 5,000 not 500

OpenStudy (anonymous):

"The current total is now around 112" http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980326a.html

OpenStudy (muhammad_nauman_umair):

A

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