The Challenger is a major salvo in the Horsepower Wars, offering muscle-car metal and seriously awesome engines. The 6.4-liter Hemi V-8 makes 485 hp and 475 lb-ft; choose either a six-speed manual or eight-speed automatic. The aptly named Hellcat has a supercharged 6.2-liter V-8 good for 707 hp and 650 lb-ft, with either a six-speed manual or eight-speed automatic. The automatic is faster, hitting 60 mph in 3.6 seconds, while the manual is more fun and still quick doing 0â60 in 3.9 seconds. Jump to Instrumented Test â 2015 Dodge Challenger SRT Hellcat Manual.
1 Alkali metals. 2  The alkali metals make up group 1 of the Table, and comprise Li through Fr. They have very similar behavior and characteristics. 3  Hydrogen is group 1 but exhibits few characteristics of a metal and is often categorized with the nonmetals. 4  Alkaline earth metals. Alkaline earth metals. 2  The alkaline earth metals make up group 2 of the periodic table, from Be through Ra. 3  The alkaline earth metals have very high melting points and oxides that have basic alkaline solutions.
Examples of alkali metals: lithium (Li), sodium (Na), potassium (K), rubidium (Rb), ceasium (Cs), and francium (Fr). Although Hydrogen, is a member of group sometimes exhibit the properties of alkali metals.Examples of halogens are Fluorine (F), Chlorine (Cl), Bromine (Br) and Iodine (I).eactivity of Alkali Metals and Halogens In the outermost (s) shell of the alkali metals, they have 1 electron, by loosing that electron, the alkali metals get the stable electronic configuration.