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Chemistry, 22.06.2019 15:30
Light waves can move through , but they travel fastest when they move through a(n) .
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Which change to the system wood cause the freely-moving piston to lower?
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Chemistry, 22.06.2019 19:30
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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An energy of 13.6 eV is needed to ionize an electron from the ground state of a hydrogen atom. Selec...
English, 03.12.2019 03:31