Which of the following ions has the same number of electrons as a krypton atom with atomic number36? * 1 point
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Krypton's atomic number is 36, therefore it has 36 electrons in it. Among given options Rubidium ion (Rb
+
) has 37−1=36 electrons. Thus the correct answer is option C Rubidium. This is because, Rubidium ion exists in the +1 state i.e it loses one of the electron.
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