Newton Desk Archives - Page 45 of 67 -

Selenium Se (Element 34) of Periodic Table

34 Se (Selenium) Selenium is a non metallic chemical element exists in several allotropic forms, although three are […]

35 Br (Bromine) Bromine is a heavy, mobile, brownish-red nonmetallic liquid element. It is volatilizing readily or evaporates

36 Kr (Krypton Element) Under normal conditions krypton is colourless, odourless, fairly expensive gas. Solid krypton is a

37 Rb (Rubidium) Rubidium is a soft, silvery-white metallic, and one of the most electropositive element It can

38 Sr (Strontium) Strontium is a soft, silver-yellow metal (Freshly cut strontium has a silvery appearance, but rapidly

39 Y (Yttrium) Yttrium is a highly crystalline iron-gray, silver-metallic luster, rare-earth metal. It is stable in air,

40 Zr (Zirconium) It is a very strong, malleable, ductile, lustrous silver-gray metal. It is extremely resistant to

41 Nb (Niobium) Niobium is a soft, malleable, ductile, shiny, gray-white metal, and it takes on a bluish

42 Mo (Molybdenum) The metal is silvery white, very hard, But is softer and more ductile than tungsten.

43 Tc (Technetium) Technetium is a silvery-gray metal that tarnishes slowly in moist air. It is dissolves in

44 Ru (Ruthenium) Ruthenium is an element of Platinum group metals (PGM) together with Rhodium, palladium, osmium, iridium,

45 Rh (Rhodium) Rhodium is an element of Platinum group metals (PGM) together with ruthenium, palladium, osmium, iridium,