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

FREE Expert Solution

An element can be represented as:


identity of the element Atomic number (Z): 

neutral element:            # of protons = # of electrons

Mass number (A)

            mass number = # of protons + # of neutrons


  • 1st column: Br → atomic # = 35
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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 first row of the table excluding the isotope symbol.

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