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compounds that contain potassium have violet flames.
you can tell what is in some compounds by the color a compound makes when it is held in a flame. Spe... more
By: jabria
2009-06-15 17:31:39
Number of views: 301
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this is so cool
mix isopropyl alchohol with sulfate solution and it forms
awesome ice crystals in a jar or tube
By: lowackja
2008-03-30 17:12:05
Number of views: 860
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Flourine
9
oxygen ← fluorine → neon
-↑F↓Cl
Periodic ... more
By: Zookeeper
2008-03-26 23:37:45
Number of views: 680
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Neon
10
fluorine ← neon → sodium
He↑Ne↓Ar
Period... more
By: Zookeeper
2008-03-26 23:21:49
Number of views: 630
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Decomposition reactions are the opposite of Synthesis reactions.
Decoposition reactions consist of one reactant that decomposes(hence the name decomposition) to form... more
By: jwspackerfan
2008-03-25 03:30:04
Number of views: 496
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By: jwspackerfan
2008-03-25 03:30:01
Number of views: 389
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Learn about synthesis equations and how to balance them.
Think of this as an addition problem except using elements. A synthesis reaction simply has two reac... more
By: jwspackerfan
2008-03-25 03:19:53
Number of views: 783
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Did you know there are 5 basic Chemical Reaction types?
There are five basic chemical reaction types. 1)Synthesis(combination), 2) Decompo... more
By: jwspackerfan
2008-03-25 03:06:40
Number of views: 971
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Sodium (Na)
11
neon ← sodium
→ magnesium
Li↑Na↓K
Peri... more
By: Zookeeper
2008-01-12 01:03:19
Number of views: 1330
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Magnesium (Mg)
12
sodium ← magnesium → aluminium
Be↑Mg↓Ca
... more
By: Zookeeper
2007-12-08 20:37:55
Number of views: 740
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Aluminium (Al)
13
magnesium ← aluminium → silicon
B↑Al↓Ga
... more
By: Zookeeper
2007-12-08 20:35:15
Number of views: 858
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Silicon (Si)
14
aluminium ← silicon → phosphorus
C↑Si↓Ge
... more
By: Zookeeper
2007-12-08 20:11:45
Number of views: 700
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Phosphorus (P)
15
silicon ← phosphorus → sulfur
N↑P↓As
Per... more
By: Zookeeper
2007-12-08 19:48:18
Number of views: 834
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Sulfur (S)
16
phosphorus ¡û sulfur ¡ú chlorine
O¡üS¡ýSe
Periodic table - Exten... more
By: Zookeeper
2007-12-08 19:30:53
Number of views: 932
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Chlorine (Cl)
17
sulfur ← chlorine → argon
F↑Cl↓Br
Period... more
By: Zookeeper
2007-12-08 19:08:17
Number of views: 576
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Argon (Ar)
18
chlorine ← argon → potassium
Ne↑Ar↓Kr
Pe... more
By: Zookeeper
2007-12-08 18:21:13
Number of views: 664
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Potassium (K)
19
argon ← potassium → calcium
Na↑K↓Rb
Peri... more
By: Zookeeper
2007-12-08 17:44:03
Number of views: 592
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Calcium (Ca)
20
potassium ← calcium → scandium
Mg↑Ca↓Sr
... more
By: Zookeeper
2007-12-08 04:29:51
Number of views: 578
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Scandium (Sc)
21
calcium ← scandium → titanium
-↑Sc↓Y
Per... more
By: Zookeeper
2007-12-08 04:11:31
Number of views: 641
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Titanium (Ti)
22
scandium ← titanium → vanadium
-↑Ti↓Zr
P... more
By: Zookeeper
2007-12-08 03:57:44
Number of views: 793
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Vanadium (V)
23
titanium ← vanadium → chromium
-↑V↓Nb
Pe... more
By: Zookeeper
2007-12-08 03:23:14
Number of views: 648
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Chromium (Cr)
24
vanadium ← chromium → manganese
-↑Cr↓Mo
... more
By: Zookeeper
2007-12-08 02:42:08
Number of views: 715
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Manganese (Mn)
25
chromium ← manganese → iron
-↑Mn↓Tc
Peri... more
By: Zookeeper
2007-12-08 02:01:50
Number of views: 751
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Iron (Fe)
26
manganese ← iron → cobalt
-↑Fe↓Ru
Period... more
By: Zookeeper
2007-12-08 01:33:59
Number of views: 842
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Cobalt (Co)
27
iron ← cobalt
→ nickel
-↑Co↓Rh
Periodi... more
By: Zookeeper
2007-12-08 01:14:55
Number of views: 1729
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Nickel (Ni)
28
cobalt ← nickel → copper
-↑Ni↓Pd
Periodi... more
By: Zookeeper
2007-12-01 19:20:36
Number of views: 605
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Copper (Cu)
29
nickel ← copper → zinc
-↑Cu↓Ag
Periodi... more
By: Zookeeper
2007-12-01 19:00:48
Number of views: 3784
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Zinc (Zn)
30
copper ← zinc
→ gallium
-↑Zn↓Cd
Period... more
By: Zookeeper
2007-12-01 17:08:17
Number of views: 597
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Gallium (Ga)
31
zinc ← gallium → germanium
Al↑Ga↓In
Peri... more
By: Zookeeper
2007-12-01 04:09:16
Number of views: 557
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Germanium (Ge)
32
gallium ← germanium → arsenic
Si↑Ge↓Sn
P... more
By: Zookeeper
2007-12-01 02:56:13
Number of views: 521
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Arsenic (As)
33
germanium ← arsenic → selenium
P↑As↓Sb
P... more
By: Zookeeper
2007-12-01 02:55:55
Number of views: 871
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Selenium (Se)
34
arsenic ← selenium → bromine
S↑Se↓Te
Per... more
By: Zookeeper
2007-12-01 02:45:43
Number of views: 878
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Bromine (Br)
35
selenium ¡û bromine ¡ú krypton
Cl¡üBr¡ýI
Periodic Table - Extend... more
By: Zookeeper
2007-12-01 01:44:23
Number of views: 802
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Krypton (Kr)
36
bromine ← krypton → rubidium
Ar↑Kr↓Xe
Pe... more
By: Zookeeper
2007-12-01 01:07:23
Number of views: 680
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END OF CHEMISTRY SERIES
By: Zookeeper
2007-12-01 00:21:57
Number of views: 387
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See what you'll learn about ions
An Ion is an atom that has gained or lost an electron. A cation is an atom or group of atoms that ha... more
By: jwspackerfan
2007-11-19 22:12:22
Number of views: 573
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Solid, Liquid, Gas
There are three states of matter: Solid, Liquid , and Gas.
Solid- definite shape, definite volum... more
By: jwspackerfan
2007-11-19 22:04:13
Number of views: 24032
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These elements need two atoms to make up one molecule of the substance.
These elements need two atoms to make up one molecule of the substance: ... more
By: jwspackerfan
2007-11-19 21:57:27
Number of views: 706
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DO NOT CLICK
What ever you do, do not click or read this article! (It is a very embarrassing secret)
Yo... more
By: Zookeeper
2007-11-10 04:01:46
Number of views: 656
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by lab master
answer can it be possible to float in midair
yes no
By: lab master
2007-07-23 04:05:59
Number of views: 711
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Why is it so important?
Be Prepared
Almost everyone will need to use a first aid kit at some time. Take the time to prepare... more
By: Zookeeper
2007-06-03 00:36:03
Number of views: 773
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Ribonucleic acid (RNA) is a nucleic acid polymer consisting of nucleotide monomers ............
Ribonucleic acid (RNA) is a nucleic acid polymer consisting of nucleotide monomers that plays severa... more
By: jwspackerfan
2007-05-25 13:48:56
Number of views: 1901
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DNA is a nucleic acid molecule that contains the genetic instructions used in the development and functioning of all living organisms.
Deoxyribonucleic acid, or DNA is a nucleic acid molecule that contains the genetic instructions used... more
By: jwspackerfan
2007-05-25 13:44:41
Number of views: 726
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The Chemical Bond
A chemical bond is the physical phenomenon of chemical substances being held together by attraction ... more
By: Zookeeper
2007-05-24 23:58:22
Number of views: 1922
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The Organic Chemistry
Organic chemistry is the scientific study of the structure, properties, composition, reactions, and ... more
By: Zookeeper
2007-05-24 23:55:37
Number of views: 800
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The Chemical Compound
A chemical compound is a chemical substance consisting of two or more different chemically bonded ch... more
By: Zookeeper
2007-05-24 23:52:35
Number of views: 917
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How Dangerous are They?
Many people have a natural fear of chemicals that catch fire easily. In fact, I know of some people ... more
By: Zookeeper
2007-05-24 23:46:51
Number of views: 1064
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Watson and Crick developed the first accurate model of DNA.
Francis Harry Compton Crick was an English molecular biologist, physicist, and neuroscientist, who i... more
By: jwspackerfan
2007-05-24 15:27:18
Number of views: 1108
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James Dewey Watson with Help of Francis Crick Created a mosel of DNA.
James Dewey Watson is an American molecular biologist, best known as one of the discoverers of the s... more
By: jwspackerfan
2007-05-24 15:16:47
Number of views: 1503
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Best known for BOYLE'S LAW.
Robert Boyle (25 January 1627 – 30 December 1691) was an Anglo-Irish natural philosopher, chemist, p... more
By: jwspackerfan
2007-05-24 14:55:40
Number of views: 2852
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Is it possible to change places?
Is it possible to change places of whisky and water without any intermediate glass? Check it out....... more
By: maya
2007-05-24 05:18:16
Number of views: 897
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Who and how did the elements become ordered.
The periodic table -
The periodic "law" of chemistry recognises that many properties of the chemic... more
By: jwspackerfan
2007-05-21 15:25:46
Number of views: 4331
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Did You Know he created the periodic table of elements?
Who was Dmitri Mendeleev?
Dmitri Mendeleev was born at Tobolsk, Siberia in 1834 and died in 1907. ... more
By: jwspackerfan
2007-05-18 10:24:53
Number of views: 5153
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