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Transcript of Periodic Table
and Alex D ng Background Information Alkaline Earth Metal Family The Noble Gases Halogens Rare Earth Metals Dmitri Mendeleev created the Periodic Table. Elements in this family include: lithium, sodium, potassium, rubidium, caesium, and
francium. The Noble Gases are Helium, Neon, Argon, Krypton, Xenon, and Radon The Periodic Table was created
to organize elements based on
common characteristics and
properties Alkali Metal Family All these elements have one
valence electrons, react violently
with water, and they form ionic
bonds with nonmetals. These elements all have 8 valence electrons. The Noble Gases react to almost
nothing else. These gases are mostly harmless
to humans. Some uses of alkaline metals are magnesium in car engines, calcium in toothpaste, and strontium in glass addictive. Uses Helium is used to make balloons float Some uses of alkali metals are Neon is used in neon signs Argon is used in manufacturing titanium Table salt (sodium) Sodium vapor lamps (sodium) Colored flames (all) The Periodic Table The elements in the Halogen family are fluorine, chlorine, bromine, iodine, and astatine. Halogens are: Non metal elements, all states of matter (solids, liquids, and gases), and extremely reactive elements. Bromine can be used to disinfect
water. Chlorine is one of the commonlly manafactured chemicals in the U.S one of the main uses of chlorine is as ableach for making paper and cloth it is also used to kill harmful bacterial in pools. The elements in this family are Beryllium, magnesium, calcium, strontium, barium, radium, and unbinilium. Alkaline earth metals have two eletrons on the outer shell. The two valance electrons are not tightly bound to the nuclues so it can
easily lose the eletrons. Transation Metals Some elements in this family include gold, silver, and platnium. Most transitiion metals, except for lanthanium and silver, melt in no less than 100 degree celcius, they are great conductors of electricity, and two to seven valence electrons. There are very few differences in solubility and
complex formation Characteristics The Rare Earth Metals are good conductors of electricity The Rare Earth Metals are naturally found together in mineals Some uses of transition metals are titanium in bone implants, magnessium in the production of steel, and zinc in the manufacture of batteries. Uses Uranium is used in nuclear reactors and bombs Holmium is used in lasers Praseodymium, neodymium, samarium, gadolinium, and dysprosium are used in rare earth magnets Rare Earth Magnet Thanks For Watching! A+