A. a main group element with the valence electron configuration 5s25p4 is in periodic group . it forms a monatomic ion with a charge of . b. a main group element with the valence electron configuration 5s1 is in periodic group . it forms a monatomic ion with a charge of .
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The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?
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Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
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The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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A. a main group element with the valence electron configuration 5s25p4 is in periodic group . it for...
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