By Monica Halka
Scientists categorize the chemical components as metals, nonmetals, and metalloids mostly in line with the weather' talents to behavior electrical energy at general temperatures and pressures, yet there are different differences taken under consideration while classifying the weather within the periodic desk. The alkali metals, for instance, are metals, yet have such particular houses that they're given their very own category. an analogous is correct for the alkaline earths.
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Extra info for Alkali & Alkaline Earth Metals (Periodic Table of the Elements)
LiThium and biPolar disorder Bipolar disorder (formerly referred to as “manic-depressive disorder”) is characterized by extreme mood swings. During a manic episode, the sufferer tends to engage in risky behaviors, becomes highly excitable, talks incessantly, and exhibits little need for sleep. During a depressive episode, the tendency is to sleep poorly, undergo extremely low selfesteem, and have difficulty concentrating. A direst possibility during the depressive stage is to attempt suicide. In the 1940s, scientists discovered that lithium carbonate helps to even out a person’s high and low mood swings.
Early batteries were hazardous because lithium metal reacts explosively with water. That problem was solved, however, when substances were found that could be combined with lithium to make it impervious to water. Lithium batteries today have major uses that include the following electronic applications: rechargeable and nonrechargeable batteries, battery packs, chargers, camera flashes, power supplies for communications, amplifiers, mobile phones, 13 14 alkali & alkaline earth metals Lithium-ion batteries are compact and lightweight and have high energy density and long lifetimes, which make them useful in pacemakers like the Guidant Pulsar dual-chamber pacemaker pictured here with an eight-year lithium-oxide battery at left.
The asTroPhysics of sodium Astrophysical sodium is produced in various ways that depend on the mass and life stage of a given star. In very massive stars that experience carbon-burning, sodium 23 results from the following reaction and is then distributed into the interstellar medium (ISM) in the supernova explosion of the star. C + 126C → 23 Na + 11p 11 12 6 Other interesting mechanisms appear to be at work to produce sodium in the atmospheres of red giant stars, where the abundance 18 alkali & alkaline earth metals indicates that some poorly understood mixing in the atmosphere must take place.