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Phosphorus forms a number of oxohalides, x3po, in which x may be a f, cl, or br atom. the most common of these, phosphoryl chloride, is obtained as follows:

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Answer: A. Calcium- Ca2+ Chlorine - Cl- Thus, they form Calcium Chloride with formula CaCl2. B. Barium - Ba2+ Bromine - Br- Compound - Barium Bromide, BaBr2. C. Sodium - Na+ Phosphorus - P3- (not sure, usually it is Phosphate) Compound - Na3P D. Magnesium - Mg2+ Oxygen - O2- Compound - Magnesium Oxide, MgO.
User Attila Karoly
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