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The field of organic chemistry is the study of compounds that contain this element |
carbon
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$400 |
DJ |
SCIENCE TEST |
2024-12-31 |
#9237 |
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The roughly 10 million compounds formed by this element include acetylene & potassium cyanide |
carbon
|
$800 |
DJ |
SCIENCE |
2024-01-08 |
#9011 |
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A unit of atomic mass, a dalton is defined as 1/12th the mass of the "12" isotope of this element |
carbon
DD
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$4,000 |
DJ |
SCIENCE |
2018-05-22 |
#7767 |
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The first electric light was an arc lamp with two rods of this element |
carbon
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$800 |
DJ |
SCIENCE & GEOMETRY |
2015-10-19 |
#7151 |
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(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
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$800 |
DJ |
THE SCIENCE OF SECURITY |
2015-03-09 |
#7021 |
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(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
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$400 |
J |
FOOD SCIENCE |
2010-06-01 |
#5932 |
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Organic chemistry focuses specifically on this element's compounds & their reactions |
carbon
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$400 |
DJ |
LIFE SCIENCES |
2009-04-28 |
#5682 |
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Graphite is a soft form of this element |
carbon
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$1,600 |
DJ |
BASIC SCIENCE |
2009-02-05 |
#5624 |
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This element's name is from the Latin for "charcoal" |
carbon
DD
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$1,000 |
J |
SCIENCE BRIEFS |
2003-10-15 |
#4393 |
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By definition, organic compounds must contain atoms of this element |
Carbon
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$100 |
J |
SCIENCE CLASS |
1998-09-17 |
#3224 |
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In the chemical formula for propane, C3H8, the H stands for hydrogen & the C stands for this element |
carbon
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$1,000 |
DJ |
GENERAL SCIENCE |
1997-04-30 |
#2928 |
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Lampblack, an amorphous form of this element, is produced by burning liquid fuel with too little air |
carbon
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$300 |
J |
GENERAL SCIENCE |
1996-10-30 |
#2798 |
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Organic chemistry specializes in compounds that contain this element |
Carbon
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$800 |
DJ |
SCIENCE |
1996-07-17 |
#2753 |
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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 |
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Humans are life forms "based" on this element |
carbon
DD
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$2,000 |
DJ |
LIFE SCIENCE |
1993-05-19 |
#2018 |
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Anthracite, the highest grade of coal, is composed almost entirely of this element |
carbon
|
$100 |
J |
GENERAL SCIENCE |
1993-04-01 |
#1984 |
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The black charred surface on your toast this morning is this element |
carbon
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$600 |
DJ |
PHYSICAL SCIENCE |
1991-06-03 |
#1571 |
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Organic chemistry has been defined as the chemistry of this element & its compounds |
carbon
|
$600 |
DJ |
SCIENCE |
1988-09-19 |
#926 |
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This element comprises 40% of simple carbohydrates, like glucose |
carbon
|
$600 |
DJ |
SCIENCE |
1987-12-07 |
#751 |
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Element common to cigarette smoke, pencils & diamonds |
carbon
|
$100 |
J |
EVERYDAY SCIENCE |
1987-07-13 |
#676 |
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Its chemical symbol is C |
carbon
|
$400 |
DJ |
SCIENCE |
1985-04-03 |
#148 |