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Copper(I) oxide (cuprous oxide, Cu 2 O) Copper(II) oxide (cupric oxide, CuO) Copper peroxide (CuO 2), a hypothetical compound; Paramelaconite (copper(I,II) oxide, Cu 4 O 3) Copper(III) oxide (Cu 2 O 3) does not exist although Cu(III) is a component of cuprate superconductors; Copper(IV) oxide (CuO 2) has been proposed to exist in the gas phase [2]
The substance, IUPAC name (29H,31H-phthalocyaninato(2−)-N29,N30,N31,N32)copper(II), is known by many names [2] such as monastral blue, phthalo blue, helio blue, [3] thalo blue, Winsor blue, [4] phthalocyanine blue, C.I. Pigment Blue 15:2, [5] [6] copper phthalocyanine blue, [7] copper tetrabenzoporphyrazine, [8] Cu-phthaloblue, [9] P.B.15.2, [10] [11] [12] C.I. 74160, [13] [14] [15] and ...
Copper(II) nitrate describes any member of the family of inorganic compounds with the formula Cu(NO 3) 2 (H 2 O) x.The hydrates are blue solids. Anhydrous copper nitrate forms blue-green crystals and sublimes in a vacuum at 150-200 °C.
An example of a five-numbered formation would be 4–1–2–1–2, where the midfield consists of a defensive midfielder, two central midfielders and an offensive midfielder; this is sometimes considered to be a kind of 4–4–2 (specifically a 4–4–2 diamond, referring to the lozenge shape formed by the four midfielders).
This is a list of American Electronic Industries Alliance (EIA) Standards. The EIA ceased operations on February 11, 2011, but the former sectors continue to serve the constituencies of EIA. EIA designated ECA to continue to develop standards for interconnect, passive and electro-mechanical (IP&E) electronic components under the ANSI ...
Group 11, by modern IUPAC numbering, [1] is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), gold (Au), and roentgenium (Rg), although no chemical experiments have yet been carried out to confirm that roentgenium behaves like the heavier homologue to gold.
Alternatively, it may be prepared via the reduction of copper (II) acetate with hydrazine: [4] 4 Cu(O 2 CCH 3) 2 + N 2 H 4 + 2 H 2 O→ 2 Cu 2 O + 8 CH 3 CO 2 H + N 2. Aqueous cuprous chloride solutions react with base to give the same material. In all cases, the color of the cuprous oxide is highly sensitive to the procedural details.
It is found in the eastern Indian Ocean and the western Pacific Ocean, at depths between 5 and 60 metres (16 and 197 feet). It lives in areas of sand near to reefs in lagoons and over outer reefs. The sailfin snapper is targeted in mixed-species fisheries throughout its range, being caught predominantly using handlines and bottom trawling .