Concept explainers
Interpretation:
Two similarities and two dissimilarities must be given for Be atom and Be + 2 ion.
Concept introduction:
Beryllium is an alkaline earth metal in the second group of periodic table with
Answer to Problem 5E
Both Be and Be2 + have 4 protons. Both of these two have 5 neutrons.
Be is neutral but Be + 2 has 2 units positive charge.
Neutral Be will not be attracted towards any electrode unlike Be2 + which will be attracted towards the negative electrode in the
Explanation of Solution
Be is neutral as the number of electrons (4) is equal to the number of protons (4).
Thus, Be will not be attracted towards any electrode unlike Be2 + .
There are two electrons less as compared to number of protons in Be2 + . So it is not neutral and it move towards negative electrode in the electrolysis process.
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