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Chemistry, 03.07.2019 14:30 coolkitty35

Which elements have only one electron orbit or shell? a. hydrogen (h) and helium (he) b. helium (he) and lithium (li) c. krypton (kr) and iron (fe) d. hydrogen (h) and calcium (ca)

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Which elements have only one electron orbit or shell? a. hydrogen (h) and helium (he) b. helium (he...

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