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Chemistry, 07.07.2019 17:00 zel990252

What atom has 19 protons and 20 neutrons

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Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

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