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The structures of CaP and sodium peroxide (Na 2 O 2) are very similar. [1] The solid is described as a salt: (Ca 2+) 2 P 2 4−, or Ca 2 P 2. Since the bonding is ionic, the diphosphide centers carry negative charge and are easily protonated. Upon hydrolysis this material releases diphosphine (P 2 H 4): [2] Ca 2 P 2 + 4 H 2 O → 2 Ca(OH) 2 + P ...
Natural calcium is a mixture of five stable isotopes (40 Ca, 42 Ca, 43 Ca, 44 Ca, and 46 Ca) and one isotope with a half-life so long that it is for all practical purposes stable (48 Ca, with a half-life of about 4.3 × 10 19 years). Calcium is the first (lightest) element to have six naturally occurring isotopes.
California pottery includes industrial, commercial, and decorative pottery produced in the Northern California and Southern California regions of the U.S. state of California. Production includes brick , sewer pipe , architectural terra cotta , tile , garden ware, tableware , kitchenware , art ware , figurines , giftware , and ceramics for ...
3 Ca + N 2 → Ca 3 N 2. It reacts with water or even the moisture in air to give ammonia and calcium hydroxide: [4] Ca 3 N 2 + 6 H 2 O → 3 Ca(OH) 2 + 2 NH 3. Like sodium oxide, calcium nitride absorbs hydrogen above 350 °C: Ca 3 N 2 + 2 H 2 → 2 CaNH + CaH 2
Na 2 S + CaCO 3 → CaS + Na 2 CO 3. Millions of tons of this calcium sulfide byproduct was discarded, causing extensive pollution and controversy. [2] Milk of lime, Ca(OH) 2, reacts with elemental sulfur to give a "lime-sulfur", which has been used as an insecticide. The active ingredient is probably a calcium polysulfide, not CaS. [3]
Calcium bromide is the name for compounds with the chemical formula Ca Br 2 (H 2 O) x. Individual compounds include the anhydrous material (x = 0), the hexahydrate (x = 6), and the rare dihydrate (x = 2). All are white powders that dissolve in water, and from these solutions crystallizes the hexahydrate.
Calcium perchlorate is a strong inorganic oxidizing agent, enhancing the combustion of other substances that can potentially lead to explosion. The perchlorate ion, ClO − 4, has a highly symmetrical tetrahedral structure that is strongly stabilized in solution by its low electron-donating proton-accepting power and its relatively low polarizability.
Calcium hypochlorite is an inorganic compound with chemical formula Ca(Cl O) 2, also written as Ca(OCl) 2.It is a white solid, although commercial samples appear yellow. It strongly smells of chlorine, owing to its slow decomposition in moist air.
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