Problem: Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol79BrProtons2582Neutrons3064Electrons4886Mass no.222207Complete the fifth row of the table.

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We’re being asked to determine the mass number and complete the fifth row of the given table. 


 Recall that the symbol for an element or ion is as follows:



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Problem Details
Fill in the gaps in the following table, assuming each column represents a neutral atom:


Symbol79Br



Protons
25

82
Neutrons
3064

Electrons

4886
Mass no.


222207


Complete the fifth row of the table.

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