UTF-8
background.jpg
Fluorine
1
org.concord.modeler.PageTextBox
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134.0
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<head>
</head>
<body>
<img src="title.jpg" width="960" height="134">
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-1
1
1
org.concord.modeler.PageTextBox
250.0
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<html>
<head>
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<body>
<h1>
<a href="metalsandnmetals.cml"><font>Metals & Non-metals</font></a>
</h1>
</body>
</html>
false
org.concord.modeler.PageTextBox
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<head>
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<h1>
<a href="alcohol.cml"><font>Alcohols</font></a>
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</body>
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false
org.concord.modeler.PageTextBox
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<head>
</head>
<body>
<h1>
<a href="atp.cml"><font>Adenosine Triphosphate</font></a>
</h1>
</body>
</html>
false
org.concord.modeler.PageTextBox
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<html>
<head>
</head>
<body>
<h1>
<a href="adp.cml"><font>Adenosine Diphosphate</font></a>
</h1>
</body>
</html>
false
1
1
org.concord.modeler.PageTextBox
150.0
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<html>
<head>
</head>
<body>
<h1>
<a href="hydro.cml"><font>Hydrocabons</font></a>
</h1>
</f>
</body>
</html>
false
org.concord.modeler.PageTextBox
100.0
55.0
<html>
<head>
</head>
<body>
<h1>
<a href="acids.cml"><font>Acids</font></a>
</h1>
</body>
</html>
false
org.concord.modeler.PageTextBox
250.0
55.0
<html>
<head>
</head>
<body>
<h1>
<a href="fission.cml"><font>Nuclear Fission</font></a>
</h1>
</body>
</html>
false
org.concord.modeler.PageTextBox
250.0
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<html>
<head>
</head>
<body>
<h1>
<a href="fusion.cml"><font>Nuclear Fusion</font></a>
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</body>
</html>
false
1
1
35Times New Romantrue
30Times New Romantrue
1
org.concord.modeler.PageTextBox
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<head>
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<body>
<h1>
Fluorine is a chemical element with symbol F and atomic number 9. It is
the lightest halogen and exists as a highly toxic pale yellow diatomic
gas at standard conditions. As the most electronegative element, it is
extremely reactive: almost all other elements, including some noble
gases, form compounds with fluorine. Among the elements, fluorine ranks
24th in universal abundance and 13th in terrestrial abundance. Fluorite,
the primary mineral source of fluorine, was first described in 1529; as
it was added to metal ores to lower their melting points for smelting,
the Latin verb fluo meaning "flow" became associated with it. Proposed
as an element in 1810, fluorine proved difficult and dangerous to
separate from its compounds, and several early experimenters died or
sustained injuries from their attempts.
</h1>
</body>
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false
1
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org.concord.modeler.PageMd3dfluorine$0.mddfluorine$0.xyz500500false
false
false
1
1
org.concord.modeler.PageMultipleChoice
true
4
400
200
<html>
<head>
</head>
<body marginwidth="5" marginheight="5">
Que: Fluorine is the lightest ______ .
</body>
</html>
true
true
halogen
toxic
material
None of the Above
0
-34
org.concord.modeler.PageMultipleChoice
true
4
400
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<html>
<head>
</head>
<body marginwidth="5" marginheight="5">
Que: What is the primary mineral source of flourine?
</body>
</html>
true
true
Flouride
Flourite
Flourine
Flouri
1
-34
1
1
org.concord.modeler.PageTextBox
100.0
55.0
<html>
<head>
</head>
<body>
<h1>
<a href="metalsandnmetals.cml"><font>Back</font></a>
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</body>
</html>
false