Zusammenfassung der Ressource
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The abundances of the two isotopes of Cl are 75% and 25% of Cl-35 and Cl-37 respectively. The relative atomic mass of chlorine is [blank_start]35.5[blank_end]
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Nuclear fusion involves the splitting of a nucleus
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What is the chemical symbol for this element?
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The electron configuration of chlorine is [blank_start]2[blank_end],[blank_start]8[blank_end],[blank_start]7[blank_end].
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Antworten
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The same number of protons but different numbers of neutrons
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The same mass but different charge
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The same number of neutrons but different numbers of electrons
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Newlands arranged elements into groups in order of increasing atomic weight. This was known as