|
The name of this metal element, also a deep blue pigment, comes from a German word for a goblin said to trouble its miners |
cobalt
DD
|
$2,600 |
DJ |
THE ELEMENTS |
2023-05-10 |
#8868 |
|
The Ming Dynasty vase picturedheregot its blue color from a glaze made with this element, No. 27 |
cobalt
|
$2,000 |
DJ |
THE ELEMENTS |
2015-05-18 |
#7071 |
|
The name of this element, atomic number 27, can precede "blue" & "green" |
cobalt
|
$1,600 |
DJ |
THE ELEMENTS |
2011-03-01 |
#6097 |
|
A U.S. nuclear weapon using this element, Co, has been termed a doomsday device, as it would wipe out life on Earth |
cobalt
|
$1,000 |
J |
SUCH GOOD CHEMISTRY |
2009-12-07 |
#5806 |
|
Alnico magnets are so named because they're alloys of aluminum, nickel & this |
cobalt
|
$1,200 |
DJ |
CHEMISTRY |
2008-05-22 |
#5469 |
|
As a coloring agent, this element between iron & nickel on the periodic table will literally give you the blues |
cobalt
|
$1,600 |
DJ |
IT'S ELEMENTAL |
2008-02-15 |
#5400 |
|
Colorado |
cobalt
|
$400 |
DJ |
STATE THE CHEMICAL ELEMENT |
2005-05-23 |
#4781 |
|
Oxides of this silver-white metallic element are used in pigments to give some ceramics a vivid blue color |
cobalt
|
$1,000 |
J |
IT'S ELEMENTAL |
2004-11-03 |
#4637 |
|
You're in good company if you know that Co is the symbol for this metal used in making alloys |
Cobalt
|
$400 |
DJ |
ELEMENTARY, MY DEAR |
1997-10-14 |
#3017 |
|
Symbolized Co, it's used in paints & varnishes & is essential for a good diet |
cobalt
|
$200 |
J |
CHEMISTRY |
1996-11-08 |
#2805 |
|
Making up the iron family on the periodic table are iron, nickel & this blue-tinged metal |
cobalt
|
$800 |
DJ |
THE ELEMENTS |
1996-03-08 |
#2660 |
|
Steps to extract this element, Co, from copper ore include roasting, leaching & electrolysis |
cobalt
|
$200 |
J |
THE ELEMENTS |
1993-09-13 |
#2071 |
|
Radiation from an isotope of this metal, symbol Co, is used to kill cancer cells |
cobalt
|
$200 |
J |
METALS |
1992-12-21 |
#1911 |
|
This metal used in blue pigments is also used to treat cancer |
cobalt
|
$400 |
J |
THE ELEMENTS |
1991-09-18 |
#1618 |
|
Chemically like iron, this element, symbol "Co", is used in a blue pigment |
Cobalt
|
$400 |
DJ |
THE ELEMENTS |
1990-05-10 |
#1324 |