How many electron are present in 94Be2+?

Assessment: WAEC SSCE - Chemistry - 2016 (Objective) Subject: Chemistry

Question 1 Report

How many electron are present in 94Be2+?
Answer Details
Beryllium has 4 electrons and a 2+ ion means it has lost 2 electrons. Therefore, the number of electrons present in 94Be2+ ion can be calculated by subtracting 2 from the original number of electrons in beryllium. Thus, the number of electrons in 94Be2+ ion is 2. Therefore, the answer is (a) 2.
Read lesson note on Atomic Structure And Bonding (JAMB)
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