|
About 1.5% of any quantity of the isotope uranium-238 decays to this element every 100 million years |
lead
|
$2,000 |
DJ |
A MIX OF SCIENCE |
2024-12-03 |
#9217 |
|
Galena, as seen here, is the main ore from which to get this metal out |
lead
|
$800 |
DJ |
SCIENCE IN NATURE |
2022-03-23 |
#8603 |
|
One theory for why tomatoes were thought to be poisonous--their acidity leached this toxic metal out of pewter plates |
lead
|
$400 |
J |
FOOD SCIENCE |
2020-09-22 |
#8242 |
|
One of the heaviest of metals, it's often used in alloys called Babbitt metals to make bearings |
lead
|
$400 |
DJ |
4-LETTER SCIENCE |
2015-06-01 |
#7081 |
|
This element is "le plomb"; get it out! |
lead
|
$600 |
J |
SCIENCE TERMS IN FRENCH |
2015-04-23 |
#7054 |
|
From the Latin plumbum, Pb is the chemical symbol for this |
lead
|
$200 |
DJ |
SCIENCE |
1992-10-12 |
#1861 |
|
Galena is the principal ore of this element used in batteries, solder, & pipes |
lead
|
$200 |
J |
SCIENCE |
1987-11-30 |
#746 |
|
When we used to say "fill it up with ethyl", the ethyl was this in premium gasoline |
lead
|
$200 |
J |
EVERYDAY SCIENCE |
1987-07-13 |
#676 |
|
Constantly breaking down chemically, uranium changes to radium & ultimately to this mineral |
lead
DD
|
$4,000 |
DJ |
PHYSICAL SCIENCE |
1986-04-30 |
#428 |