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Before 1937, all naturally occuring elements had been discovered, but

Before 1937, all naturally occuring elements had been discovered, but no one had found any trace of element 43. Chemists were
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2. asked by LOVELY23
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before 1937, all naturally occurring elements had been discovered except element 43. chemists predicted the chemical properties
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2. asked by serina chenette
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Before 1937, all naturally occurring elements had been discovered, but no one had found any trace of element 43. Chemists were
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Q: the average atomic mass of naturally occurring rhenium is 186.21 amu. There are two common isotopes of naturally occuring
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naturally occuring chlorine is composed of 35CL with atomic mass of 34.969 37CL with atomic mass of 36.966 the average atomic
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what are two examples of these four types of systems?Physical systems designed by people Naturally occuring physical systems
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What does equation for salt mean (2Na+CI2->2NaCI)?IT represents sodium chloride being formed from the elements (it is not formed
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2. asked by Maryelis
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A naturally occuring sample of copper consists of 69.2% of Cu63 and 30.8% of Cu65.The relative atomic mass of Cu63 is 62.93 and
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Why can't naturally occuring uranium be used in a nuclear power plant?A. Naturally occurring uranium decays too rapidly into
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Why is water only compound occuring naturally on earth in three states?
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2. asked by Frances
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