|
This dangerous radioactive gas found in homes was once called emanation |
radon
|
$2,000 |
DJ |
REJECTED ELEMENT NAMES |
2021-07-09 |
#8440 |
|
This noble gas is named for an element discovered by the Curies |
radon
|
$1,600 |
DJ |
ELEMENTAL ETYMOLOGY |
2019-10-29 |
#8082 |
|
Rn:Ms. Chong might be able to help you with this one |
radon
|
$800 |
DJ |
ELEMENTAL CLUES |
2010-09-13 |
#5976 |
|
Alphabetically, it's right after radium |
radon
|
$1,200 |
DJ |
NAME THAT ELEMENT |
2010-07-19 |
#5966 |
|
Radium comes from radius, the Latin for "ray"; this element's name comes from radium |
Radon
|
$1,000 |
DJ |
ELEMENTAL NAMES |
2000-12-06 |
#3743 |
|
In 1993 the EPA advised that people buying a house should check for this gas, symbol Rn |
radon
|
$400 |
DJ |
THE ELEMENTS |
1996-03-08 |
#2660 |
|
Because it's generated by radium, this gaseous element, symbol Rn, was once called radium emanation |
radon
|
$400 |
DJ |
THE ELEMENTS |
1992-09-07 |
#1836 |
|
It's the only radioactive element that occurs naturally as a gas |
radon
|
|
FJ |
THE ELEMENTS |
1992-01-28 |
#1712 |
|
Though chemists call it a noble gas, the EPA calls it the #1 U.S. radiation health risk |
radon
DD
|
$1,000 |
J |
THE ELEMENTS |
1988-06-02 |
#879 |