Binary phosphides include phosphorus and one other element. Cupric Phosphide. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. Sodium sulfide, another ionic compound, has the formula \(\ce{Na_2S}\). The “-ide” ending tells you that it is a single element, phosphorus. Formula: Determining the Formula of an Ionic Compound . Median response time is 34 minutes and may be longer for new subjects. Zinc phosphide (Zn 3 P 2) is an inorganic chemical compound.It is a grey solid, although commercial samples are often dark or even black. An ionic formula, like \(\ce{NaCl}\), is an empirical formula. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows … Q: How do you calculate dipole moment? Balance the charges so the overall (net) charge on … 3 xx + 1 = 1 xx -3 so it will take three potassium ions to balance one Phosphorus ion. A balanced formula has a neutral electrical charge or net charge of zero. In the compound zinc phosphide the charge on the phosphide ion is 3-. A second compound exists in the zinc-phosphorus system, zinc diphosphide (ZnP 2 Determine the charge of each element using the Periodic Table. Zn 3 P 2 is a II-V semiconductor with a direct band gap of 1.5 eV and may have applications in photovoltaic cells. Potassium hydrogen phosphate is K2HPO4. *Response times vary by subject and question complexity. A stable ionic compound is electrically neutral, where electrons are shared between cations and anions to complete outer electron shells or octets. Zinc has a 2+ charge and Phosphide has a 3 Copper(II) Phosphide Cu3P2 Molar Mass, Molecular Weight. In the compound zinc phosphide the charge on the zinc ion is 2+. An example of a group 1 This formula indicates that this compound is made up of twice as many sodium ions as sulfide ions. Its position on the periodic table gives an indication of the charge (not always enough information, but in that case you need to be told more.) This formula merely indicates that sodium chloride is made of an equal number of sodium and chloride ions. It is used as a rodenticide. Binary phosphides. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = -0.77 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 480.00 (Adapted Stein & Brown method) Melting Pt (deg C): 90.27 (Mean or Weighted MP) VP(mm Hg,25 deg C): 6.09E-011 (Modified Grain … What is the ionic formula for lithium oxide? So ... Write the element symbols for barium and phosphide (phosphide is phosphorus on the P-table). Top Answer. Silver Phosphide is a semiconductor used in high power, high frequency applications and in laser diodes. 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