| History | Characterists | Application in the world | Occurrences |
|---|---|---|---|
|
A. Sir William Ramsay
Who first discovered helium?
A. Sir William Ramsay B. Per Teodor Cleve C. Nils Abraham Langer D. Pierre J.C. Jassen |
B. 4.0026
What is the AMU of helium?
A. 5.0026 B. 4.0026 C. 3.0046 D. 2.0046 |
B. breathing issues
What is helium MOST IMPORTANTLY used for?
A. Airbags B. breathing issues C. Blimps D. balloons |
D. 24%
helium is in ___% of the universe's mass?
A. 21% B. 22% C. 23% D. 24% |
|
C. 1895
What year was helium first discovered?
A. 1868 B. 1907 C. 1895 D. 1882 |
A. lack of reactivity
What is the only chemical property of helium?
A. lack of reactivity B. mass C. high thermal conductivity D. high inertness |
A. hydrogen
What was used in blimps before helium?
A. hydrogen B. Carbon C. nothing, just helium D. nitrogen |
C. 78%
Helium is produced mostly in the United States at what percent?
A. 68% B. 97% C. 78% D. 73% |
|
C. William Hillebrand
Who was the American scientist that discovered the yellow line while collecting gas that came from uraninite as it dissolved into acid?
A. Luigi Palmieri B. Pierre J.C. Jasen C. William Hillebrand D. Sir William Ramsay |
D. high melting point
Everything is a physical property EXCEPT:
A. low boiling point B. colorless C. tasteless D. high melting point |
D. emphysema
Helium is used in the following medical ways EXCEPT:
A. obstructive airways B. asthma C. chronic obstructive pulmonary disease D. emphysema |
A. Asia
helium is produced everywhere EXCEPT:
A. Asia B. North Africa C. The Middle East C. Russia |
|
B. mathematician
Per Teodor Cleve was everything EXCEPT:
A. chemist B. mathematician C. oceanographer D. mineralogist |
B. 2
How many electrons does helium have?
A. 1 B. 2 C. 3 D. 4 |
A. scanning barcodes
What is helium in out of the following?
A. scanning barcodes B. airplanes C. hot air balloons D. blowdryer |
B. radioactive decay
On earth, where can you find helium?
A. interstellar medium B. radioactive decay C. stars D. earth's crust |
|
D. Per Teoder Cleve
Who DIDN'T further study the yellow line?
A. Pierre J.C. Jassen B. Luigi Palmieri C. Joseph Norman Lockyer D. Per Teoder Cleve |
B. Helium-4
what is helium's most stable isotope?
A. Helium-3 B. Helium-4 C. Helium-6 D. Helium-9 |
B. float
What does helium make balloons do?
A. pop B. float C. break D. fall |
A. 10,000
how much more money does it cost to extract helium from the air than it does from rocks on earth and natural gas reserves?
A. 10,000 B. 20,000 C. 30,000 D. 40,000 |
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