chemical element造句(31) Ion beam can be defined as the radiation which was the product of accelerated ions of chemical element by high-energy ion accelerator.
(32) What Robert Boyle (1627-1691) gave in his Sceptical Chymist (1661) is not, as is commonly said, a modern definition of a chemical element, but a traditional definition of a chemical element.
(33) Constituting of earth crust can from the chemical element, mineral, rock three aspects to explain.
(34) Beryllium : Chemical element , lightest of the alkaline earth metals, chemical symbol Be, atomic number 4.
(35) Silver: Metallic chemical element, one of the transition elements, chemical symbol Ag, atomic number 47.
(36) Lead: Metallic chemical element, chemical symbol PB, atomic number 82. Lead is a soft, silvery white or grayish, malleable, ductile, dense metal that conducts electricity poorly.
(37) Mercury ( quicksilver ): Metallic chemical element, chemical symbol Hg, atomic number 80.
(38) Potassium: Chemical element , one of the alkali metals, chemical symbol K, atomic number 19.
(39) Iodine: Nonmetallic chemical element, chemical symbol I, atomic number 53.
(40) Lead: Metallic chemical element, chemical symbol PB, atomic number 82.
(41) Newton was a serious alchemist, who spent night upon dawn for three decades of his life slaving over a stygian furnace in search of the power to transmute one chemical element into another.
(42) Phosphorus Nonmetallic chemical element, chemical symbol P, atomic number 15.
(43) Zirconium: Metallic chemical element, one of the transition elements, chemical symbol Zr, atomic number 40.