The total charge of a compound must be zero. So the Y ion has charge of -2. Then the charge of X ion+(-2)*2=0. So the charge of X ion is +4.
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It is hard to spilt a nucleus.
possibly the biggest concern among nuclear energy advocates is the environmental impact of uranium as a fuel source. A typical nuclear power plant generates about 20 metric tons of used nuclear fuel per year. The problem is that this spending fuel is highly radioactive and potentially dangerous.
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