technetium alloys

См. также в других словарях:

• Rhenium — tungsten ← rhenium → osmium Tc ↑ Re ↓ Bh …   Wikipedia

• Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W …   Wikipedia

• Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …   Wikipedia

• Hafnium — lutetium ← hafnium → tantalum Zr ↑ Hf ↓ Rf …   Wikipedia

• Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …   Wikipedia

• transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …   Universalium

• Copper — For other uses, see Copper (disambiguation) …   Wikipedia

• Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …   Wikipedia

• Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …   Wikipedia

• Cobalt — This article is about the metal. For other uses, see Cobalt (disambiguation). iron ← cobalt → nickel ↑ Co ↓ Rh …   Wikipedia

• Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium …   Wikipedia