reactive metal
61taurusis metalas — statusas T sritis fizika atitikmenys: angl. noble metal; non reactive metal vok. Edelmetall, n; edles Metall, n rus. благородный металл, m pranc. métal noble, m …
62благородный металл — taurusis metalas statusas T sritis fizika atitikmenys: angl. noble metal; non reactive metal vok. Edelmetall, n; edles Metall, n rus. благородный металл, m pranc. métal noble, m …
63Spontaneous combustion — is a type of combustion which occurs without an external ignition source. How spontaneous combustion occurs # A substance with a relatively low ignition temperature begins to release heat, which may occur in several ways, such as oxidation or… …
64caesium — [ si:zɪəm] (US cesium) noun the chemical element of atomic number 55, a soft, silvery, rare, extremely reactive metal of the alkali metal group. (Symbol: Cs) Origin C19: from L. caesius greyish blue (because it has characteristic lines in the… …
65calcium — noun the chemical element of atomic number 20, a soft grey reactive metal of the alkaline earth metal group. (Symbol: Ca) Origin C19: from L. calx, calc (see calx) + ium …
66potassium — [pə tasɪəm] noun the chemical element of atomic number 19, a soft silvery white reactive metal of the alkali metal group. (Symbol: K) Derivatives potassic adjective Origin C19: from potash + ium …
67rubidium — [rʊ bɪdɪəm] noun the chemical element of atomic number 37, a rare soft silvery reactive metal of the alkali metal group. (Symbol: Rb) Origin C19: mod. L., from L. rubidus red (with ref. to lines in its spectrum) …
68sodium — noun the chemical element of atomic number 11, a soft silver white reactive metal of the alkali metal group. (Symbol: Na) Derivatives sodic adjective (Mineralogy). Origin C19: from soda + ium …
69Sodium bicarbonate — Sodium bicarbonate …
70Shibuichi — Shibuichi(四分一) is a billon which can be patinated into a range of subtle muted shades of blue or green. Its name means one fourth in Japanese and indicates the standard formulation of one part silver to three parts copper, though this may be… …
