Periodic Table
The atomic mass and number of Helium
What is 4u and 2?
What helium was used for when it was discovered
What is to make blimps fly?
Two chemical properties of Helium
What is colorless and nontoxic?
Price of Helium
What is $30-$50 Per liter?
The year helium was discovered.
What is 1868?
The group and period of Helium
What is Group 18 and period 1?
What is filling balloons to make them float?
Two physical properties of Helium
What is a gas and very light?
Ionic compounds helium creates.
What is none because its a noble gas?
Who discovered Helium
Who is Pierre Jansen and Norman Lockyer?
The number of protons, neutrons, and electrons of Helium
What is 2 protons, neutrons, and electrons?
A historical relevance of the element
What is helium being used a lot during WWII to make blimps fly to escort
State of matter at room temperature
What is a gas?
One symptom from too much Helium.
What is oxygen deprived?
Is helium found in nature or manmade
What is found in nature?
What is 2?
Another historical relevance of Helium
What is the helium mass spectrometer being vital to the Manhattan Project?
The melting point of Helium
What is -272.2 C?
Premature infants are given helium to help with what?
What is breathing help?
Where helium is found
What is natural gas deposits and non renewable resources?
How many isotopes of Helium are there? Where are they found?
What is 7 Isotopes found in the earth’s mantle and crust?
What is the most stable element?
Oxidation numbers of helium?
What is 0 because it already has 8 valence electrons?
What does the name helium come from?
What is helios meaning the sun?
Radioactive decay product of what two elements? What kind of decay?
What is product of uranium and thorium by an alpha particle?