carbon

Science Science 21 of 21 appearances
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"carbon" appearances by year

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All Science clues by year

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# Clue Answer As Given Value Round Category Air Date Show
The field of organic chemistry is the study of compounds that contain this element carbon $400 DJ SCIENCE TEST 2024-12-31 #9237
The roughly 10 million compounds formed by this element include acetylene & potassium cyanide carbon $800 DJ SCIENCE 2024-01-08 #9011
A unit of atomic mass, a dalton is defined as 1/12th the mass of the "12" isotope of this element carbon DD $4,000 DJ SCIENCE 2018-05-22 #7767
The first electric light was an arc lamp with two rods of this element carbon $800 DJ SCIENCE & GEOMETRY 2015-10-19 #7151
(Sarah of the Clue Crew presents from Lawrence Livermore Nat'l Laboratory in Livermore, CA .) A new military uniform material under development protects personnel from chemical or biological weapons using CNTs, or these nanotubes, which close up like tiny pores during an attack carbon $800 DJ THE SCIENCE OF SECURITY 2015-03-09 #7021
(Sarah of the Clue Crew shows a slice of bread toasted to golden brown.) Toastingbreadis actually a chemical reaction where this element, from the Latin for "charcoal", is released from the starch & sugar during the heating process carbon $400 J FOOD SCIENCE 2010-06-01 #5932
Organic chemistry focuses specifically on this element's compounds & their reactions carbon $400 DJ LIFE SCIENCES 2009-04-28 #5682
Graphite is a soft form of this element carbon $1,600 DJ BASIC SCIENCE 2009-02-05 #5624
This element's name is from the Latin for "charcoal" carbon DD $1,000 J SCIENCE BRIEFS 2003-10-15 #4393
By definition, organic compounds must contain atoms of this element Carbon $100 J SCIENCE CLASS 1998-09-17 #3224
In the chemical formula for propane, C3H8, the H stands for hydrogen & the C stands for this element carbon $1,000 DJ GENERAL SCIENCE 1997-04-30 #2928
Lampblack, an amorphous form of this element, is produced by burning liquid fuel with too little air carbon $300 J GENERAL SCIENCE 1996-10-30 #2798
Organic chemistry specializes in compounds that contain this element Carbon $800 DJ SCIENCE 1996-07-17 #2753
In 1961 an isotope of this element replaced oxygen as the standard for determining atomic weight carbon DD $800 J SCIENCE 1996-03-12 #2662
Humans are life forms "based" on this element carbon DD $2,000 DJ LIFE SCIENCE 1993-05-19 #2018
Anthracite, the highest grade of coal, is composed almost entirely of this element carbon $100 J GENERAL SCIENCE 1993-04-01 #1984
The black charred surface on your toast this morning is this element carbon $600 DJ PHYSICAL SCIENCE 1991-06-03 #1571
Organic chemistry has been defined as the chemistry of this element & its compounds carbon $600 DJ SCIENCE 1988-09-19 #926
This element comprises 40% of simple carbohydrates, like glucose carbon $600 DJ SCIENCE 1987-12-07 #751
Element common to cigarette smoke, pencils & diamonds carbon $100 J EVERYDAY SCIENCE 1987-07-13 #676
Its chemical symbol is C carbon $400 DJ SCIENCE 1985-04-03 #148
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