Helium

Chemistry Science 36 of 36 appearances
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"Helium" appearances by year

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All Chemistry clues by year

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# Clue Answer As Given Value Round Category Air Date Show
This second-lightest gas is mixed with oxygen for use in scuba diving helium $400 DJ ELEMENTS & THEIR USES 2022-06-08 #8658
The balloons in one Macy's Thanksgiving Day parade use about 400,000 cubic feet of this gas helium $400 DJ CHEMICAL ELEMENTS 2022-04-11 #8616
This element makes up about 25% of the mass in your average star helium DD $1,000 J THE ELEMENTS 2022-02-09 #4
The sun helium $1,200 DJ THE ELEMENT NAMED FOR... 2017-12-05 #7647
On the periodic table, it's the first element to have a 2-letter symbol helium $400 DJ ELEMENT-IUM 2017-02-22 #7473
Inhaling some of this second-lightest element makes your voice sound all funny helium $400 DJ THE ELEMENTS 2016-11-10 #7399
Not alphabetically but by atomic number, the first element whose symbol is a pronoun helium $400 DJ ELEMENT SYMBOL FUN? 2014-12-16 #6962
This 2nd-lightest gas is the only element that can't be solidified by cooling at normal atmospheric pressure helium $800 DJ CHEMISTRY 2014-01-13 #6751
Hydrogen has an atomic number of 1; this light gas, 2 helium $400 J THE ELEMENTS 2013-08-02 #6665
Because it is less dense than air, when we breathe this 2nd-lightest element, it comes out faster & at a higher frequency Helium $200 J 6-LETTER ELEMENTS 2013-06-24 #6636
Good thing the body doesn't contain any of this second-lightest gas, otherwise you might float away helium $200 J IT'S ELEMENTAL! 2013-02-01 #6535
A masculine pronoun helium $800 DJ ELEMENTAL SYMBOLS 2012-11-09 #6475
This element was discovered extraterrestrially in 1868; it took 27 more years until someone isolated it on Earth helium FJ THE ELEMENTS 2012-10-24 #6463
This really light gas has the lowest boiling point of any element, -452 degrees Fahrenheit helium $800 DJ IT'S ELEMENTAL, MY DEAR 2010-11-08 #6016
This element that makes up about 25% of the sun's mass was first discovered on the sun in 1868 helium $400 J IT'S ELEMENTARY 2009-05-06 #5688
It's the second-lightest element helium $400 DJ IT'S ELEMENTAL 2008-02-15 #5400
Because sound travels 2.7 times faster in this gas than in air, inhaling it makes your voice higher helium $400 DJ THE ELEMENTS 2007-09-17 #5291
Fly high with this colorless, odorless & tasteless gas, atomic no. 2 helium $600 J ELEMENTAL, MY DEAR 2007-04-25 #5218
This gas was named for the Greek word for "sun" after it was discovered during an eclipse in 1868 helium $400 DJ ELEMENTAL ETYMOLOGIES 2006-10-18 #5083
The U.S. refused to sell this gas to the Zeppelin Aircraft Company, which used the more flammable hydrogen instead helium $400 J ELEMENTARY, MY DEAR 2005-09-28 #4838
The name of this noble gas comes in part from the Greek for "sun" helium $400 J THAT'S ELEMENT-ARY 2005-04-29 #4765
One of the noble gases, it's the lightest of all gases after hydrogen helium $400 DJ ELEMENT-ARY SCHOOL 2002-09-16 #4146
First observed in the sun's atmosphere, it was named for the sun Helium $600 DJ ELEMENTAL NAMES 2000-12-06 #3743
This noble gas is ideal for balloons, as there is no fire risk Helium $200 DJ WE GOT GOOD CHEMISTRY 1998-05-21 #3174
This second-lightest gas has the lowest boiling point of any element helium $600 DJ THE ELEMENTS 1997-02-19 #2878
Now employed in welding, this gas, He, has been used to lift balloons & dirigibles Helium $200 DJ CHEMISTRY 1997-02-04 #2867
It was discovered in 1868 during an eclipse & was named for the sun helium $800 DJ THE ELEMENTS 1996-02-14 #2643
Noble gas whose name is from the Greek word for "sun" Helium $1,000 DJ THE ELEMENTS 1995-11-22 #2583
This element, symbol He, is the most difficult of all gases to liquefy helium $300 J THE ELEMENTS 1994-11-07 #2341
In the universe, it's second only to hydrogen in abundance & lightness helium $800 DJ THE ELEMENTS 1994-04-25 #2231
In 1932 the first workable atom smasher broke lithium into this very light element helium $300 J THE ELEMENTS 1993-09-13 #2071
Pierre Janssen first noted this element in 1868 while studying the Sun's chromosphere helium $800 DJ THE ELEMENTS 1993-04-06 #1987
This light noble gas is the only known substance that can't be solidified under normal atm. pressure helium $200 J CHEMISTRY 1991-05-16 #1559
Type of gas I just inhaled that makes me talk like this: helium DD $600 DJ CHEMISTRY 1987-02-23 #576
A lungful of this gas gives your voice a lift helium $400 DJ CHEMISTRY 1985-05-09 #174
U.S. & Canada produce almost entire world supply of this lightest inert gas helium $1,000 DJ CHEMISTRY 1984-09-14 #5
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