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Oxygen
One fifth of the earths atmosphere is made up of. Oxygen and it's the third most abundant element in the universe by mass

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Magnesium is the eighth most abundant element in the earths crust. The metal can be mixed with others metals, particularly aluminium, for use in amking cans that need to be light but strong

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Magnesium is the eighth most abundant element in the earths crust. The metal can be mixed with others metals, particularly aluminium, for use in amking cans that need to be light but strong

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Cadmium is very much similar to zinc. Cadmium compounds are used in black and white television phosphors and in blue and green phosphors for color tv tubes

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Cadmium is very much similar to zinc. Cadmium compounds are used in black and white television phosphors and in blue and green phosphors for color tv tubes

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Zinc is used mostly as a coating for steel and iron to prevent rusting. Zinc was used by thr royal armouries of great britian, it was used to prevent rusting on their amor which was a process called galvanization. It has a bluish silver color to it. It is crucial to life, as it is important to many industrial processes.

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Zinc is used mostly as a coating for steel and iron to prevent rusting. Zinc was used by thr royal armouries of great britian, it was used to prevent rusting on their amor which was a process called galvanization. It has a bluish silver color to it. It is crucial to life, as it is important to many industrial processes.

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Used in flares and fireworks to create a crimson color.

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I was trying different ratios of each component to try and get a satisfying burn rate, this is a smaller scale model but I'm reasonably happy with it. Truth be told I put too much of two components into this.

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Palladium can be used as a very versatile catalysis in chemical reactions and processes such as hydrogenation, to add hydrogen to a molecule and dehydration, removing hydrogen from a molecule.

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Compounds are used to make flame proofing materials, paint, ceramic enamels, glass and pottery

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Antimony is element number 51 and its chemical symbol is Sb. All the elements on video at http://www.periodicvideos.com/

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Sometimes used as rat poisons and insecticides but their use in strictly controlled.

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This element is nessesary for all eukaryotes.

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Rubidium spontaneously ignites in air.

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Potassium usually burns in a reaction with water.

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North Carolina School of Science and Mathematics

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Very useful for pipe construction

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Used in jet engines
Oxidation states of vanadium:
https://m.youtube.com/watch?v=sFAGQLokym4

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Makes up just over 3% of soil, air, and oceans on Earth.

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Helium is the second most abundant element in the universe.

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Indium does not react to oxygen at room temperature, so it is used in making coatings (such as aircraft coatings) to prevent the parts from reacting with oxygen.

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When held in a human hand, gallium is a liquid, but when removed from the hand, it becomes solid again.

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Tin happens to be one of the oldest elements that has been used for centuries. It is the 49th common element on earth.

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This element in particular has health benefits, is a metalloid because it has the properties of metals and non metals, and it expands when frozen.

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Chromium is the first element found in group 6.
Chromium was used in ancient times specifically by ancient Chinese  to make weapons or yellow and red pigments.

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•Cobalt is only found in nature in compounds
https://www.youtube.com/watch?v=V6ljxByu9ng&feature=share

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In the Boron Group
Used as rocket fuel igniter and in pyrotechnic flares
Gives the flare a green color

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Carbon is an incredible element arrange carbon atoms in one way and they become soft pliable graphite re-jigger the arrangement and presto the Atoms form diamond one of the hardest materials in the world

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Atomic #18

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Aluminum is highly reactive, but it contains a layer of inherit oxide that prevents it from corrosion.

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One of 4 elements that are ferromagnetic, the strongest force of magnetism and the one we see on an everyday basis.

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Chalcogen

https://youtu.be/mGMR72X8V-U

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White phoshorous is the one manufactured is flammable when exposed to air and is deadly posin.

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Silicon is actually apart of the earth, it makes up about 28% of the earth's crust.

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Is solid at room temperature; is one of the essential elements for all organisms, due to its antioxidant, hormonal, and other properties

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Iodine Clock Reaction Chemical Experiment!

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Hello everyone. Today we will have a very unusual chemical reaction, called "Egyptian night" or the simplified version of the chemical pendulum. First, let's take a beaker and pour there a small amount of potassium iodide and sodium thiosulfate. Next dissolve this mixture into a 100 ml of water.

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Hydrogen reacts explosively with the elements oxygen, chlorine and fluorine: O2, Cl2, F2.

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Harvard Natural Sciences Lecture Demonstrations

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Neon is used in the accurately named neon signs and the very commonly used LEDs.

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A gas discharge tube of Neon is illuminated and a diffraction lens is used to obtain the bright line spectrum of Neon. On the left is the raw color from the gas discharge tube and on the right is the bright line spectrum from a diffraction gradient.

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•most toxic in group17
•most reactive
https://www.youtube.com/watch?v=vtWp45Eewtw&feature=share

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Is a liquid at room temperature; is used in bleaching, as a solvent, for organic synthesis, etc.

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Is a gas at room temperature; is also used to sterilize many substances from water to paper and medicine

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Reaction of Sodium with Chlorine (subtitled)

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Halogens

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Noble Gasses

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Alkalii Earth metals

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Alkali Metals