Phosphorus has charges of + 3, -3, + 5. In this case Phosphorus will act as an Oxidizing agent with Potassium. The formula for potassium phosphate is K3PO4. So the formula is K_3P What is the ionic formula for lithium oxide? Potassium almost always has a charge of + 1 Experimental details are in the following: It … It is used to make other chemicals. around the world. Potassium hydrogen phosphate is K2HPO4. "Development of the Table of Initial Isolation and Protective Distances for the 2008 Emergency Response Guidebook", ANL/DIS-09-2, D.F. Based on a scenario where the chemical is spilled into an excess of water (at least 5 fold excess of water), half of the maximum theoretical yield of Phosphine gas will be created in 15 minutes. Potassium phosphide is a white crystalline or powdered solid. An example of a group 1 phosphide is sodium phosphide (Na 3 P). What is the empirical formula for an ionic compound? USA.gov. K_3P Potassium almost always has a charge of + 1 Phosphorus has charges of + 3, -3, + 5. Phosphides react quickly upon contact with moisture or acids to give the very toxic gas phosphine; phosphides also can react vigorously with oxidizing materials. Potassium phosphide is K3P. This section provides a listing of alternate names for this chemical, So the formula is, 16921 views In general, materials in this group are incompatible with oxidizers such as atmospheric oxygen. It is toxic by ingestion, inhalation and skin absorption. Look up the name and charge for phosphate on the Common Ion Table; Balance the charges so the total charge on the compound is zero. 2010-11-13 21:16:43 2010-11-13 21:16:43. Other notable examples include aluminium phosphide (AlP) and calcium phosphide (Ca 3 P 2), which are used as pesticides, exploiting their tendency to release toxic phosphine upon hydrolysis. Answer. They slowly generate flammable or noxious gases in contact with water. Magnesium phosphide (Mg 3 P 2) also is moisture sensitive. In this case Phosphorus will act as an Oxidizing agent with Potassium. 3 xx + 1 = 1 xx -3 so it will take three potassium ions to balance one Phosphorus ion. They are violently incompatible with acids, particularly oxidizing acids. Freeman, and W.D. POTASSIUM PHOSPHIDE is a reducing agent. Phosphides react quickly upon contact with moisture or acids to give the very toxic gas phosphine; phosphides also can react vigorously with oxidizing materials. 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 applicable … For example, Zinc(II) phosphide would make Zinc have the charge of 2+ so the formula would be Zn3P2. How do I write #Sn(NO_3)_2# in Ionic formula? Web site owner: Potassium Phosphide is a semiconductor used in high power, high frequency applications and in laser diodes. Decomposed by water or moisture in air evolving toxic phosphine which often ignites [NFPA 1991]. But as it seem yours is Zn3P. When exposed to water it may react violently and start a fire. Asked by Wiki User. resulting in a negative three charge. What is the ionic formula for calcium chloride? Office of Response and Restoration, Brown, H.M. Hartmann, W.A. See all questions in Writing Ionic Formulas. Meaning that it will take electrons from Potassium What is the ionic formula for calcium oxide? Formula for potassium Phosphide? Binary phosphides. Produced by the US DOTthe ERG is designed to aid first responders in quickly identifying specific or generic hazards of materials involved in an incident and protecting themselves and the general public during the initial response phase of an incident. Top Answer. For Potassium phosphate we have a metal (Potassium) and then a polyatomic ion (an ate ending usually means it's a polyatomic ion).. Write the element symbol and ionic charge for Potassium. It is toxic by ingestion, inhalation and skin absorption. National Oceanic and Atmospheric Administration. National Ocean Service, Belongs to the Following Reactive Group(s), NR = Not recommended due to insufficient data. What is the molecular formula for chorate? Wiki User Answered . So the formula for zinc phosphide changes according to the given. How do you write the formula for ionic compounds? # 3 xx + 1 = 1 xx -3# so it will take three potassium ions to balance one Phosphorus ion.