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5 June, 08:29

Rubidium has a mass number of 87 and an atomic number of 37. how many electrons does it have?

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Answers (2)
  1. 5 June, 08:39
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    Rubidium has 37 elections. there are multiple other sources you could use too confirm this. : - )
  2. 5 June, 10:06
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    Rubidium's (Rb) Z = 37

    Z (atomic number) means, No: of proton or no: of electrons.

    .: Number of electrons = 37
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