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World Book says it is "a poisonous, yellowish-green gas with a strong, unpleasant odor", so let's treat our pool with it |
chlorine
|
$400 |
DJ |
A CHEMISTRY TEST |
2023-06-23 |
#8900 |
|
In 1937 isotopes of this element, Cl, were separated using a vacuum ultracentrifuge |
chlorine
|
$400 |
DJ |
IN THE CHEMISTRY LAB |
2022-02-18 |
#8580 |
|
The first 3 halogen or "salt-forming" elements on the periodic table are fluorine, this, bromine |
chlorine
|
$800 |
J |
THE ELEMENTS |
2019-05-08 |
#7988 |
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Chemist Carl Scheele named the gas that bleached flowers dephlogisticated muriatic acid; we call it this element |
chlorine
|
$2,000 |
DJ |
THE ELEMENTS |
2014-02-13 |
#6774 |
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As a liquid, this element, symbol Cl, is amber-colored & used as a bleaching agent |
chlorine
|
$400 |
DJ |
CHEMISTRY |
2013-05-20 |
#6611 |
|
Atomic number 17, it's poisonous, smells bad & causes irritation to the nose, lungs & throat; put some in my pool, please! |
chlorine
|
$200 |
J |
CHEMICAL ELEMENTS |
2012-07-17 |
#6422 |
|
This element, atomic no. 17, is used as a bleach |
chlorine
|
$1,200 |
DJ |
THE STYLE OF ELEMENTS |
2011-07-20 |
#6198 |
|
The symbol for this nasty gas is Cl |
chlorine
|
$400 |
DJ |
NAME THAT ELEMENT |
2010-07-19 |
#5966 |
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Although it's a poisonous gas, this element is used to purify drinking water & swimming pools |
chlorine
|
$800 |
DJ |
THE ELEMENTS |
2008-05-19 |
#5466 |
|
A seal in your pool isn't good; Cl, this element is okay |
chlorine
|
$1,200 |
DJ |
IT'S ELEMENTAL |
2007-02-12 |
#5166 |
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2 of the ores for this yellowish-green gas are rock salt & horn silver |
chlorine
|
$1,200 |
DJ |
THE ELEMENTS |
2005-03-04 |
#4725 |
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Mix it with hydrogen & it may explode; mix it with sodium & you get rock salt |
chlorine
DD
|
$1,500 |
J |
THE ELEMENTS |
2003-02-17 |
#4256 |
|
This element, whose name means "greenish-yellow", is used to make laundry clean & bright |
chlorine
|
$800 |
DJ |
THE ELEMENTS |
2002-11-19 |
#4192 |
|
Although it's a poisonous gas, this element is used to purify drinking water & swimming pools |
chlorine
|
$400 |
DJ |
THE ELEMENTS |
2002-02-04 |
#4016 |
|
Sodium & this yellow-green gas are produced when salt is melted down & an electrical current is run through it |
Chlorine
DD
|
$400 |
DJ |
CHEMISTRY |
2001-03-06 |
#3807 |
|
Among elements isolated by Humphry Davy are barium, boron & potassium; he also named this element, Cl |
chlorine
|
$400 |
DJ |
THE ELEMENTS |
1994-05-10 |
#2242 |
|
Halogen that bleaches fabrics & is added to drinking water & swimming pools to kill bacteria |
chlorine
|
$200 |
J |
CHEMISTRY |
1986-05-12 |
#436 |