Problem: Fill in the gaps in the following table:SymbolCo3+Protons347680Neutrons46116120Electrons3678Mass number59Net charge2+Complete the second row of the table.

FREE Expert Solution

We’re being asked to complete the second row of the table given the number of protons or atomic number.


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




Recall that:


  • Atomic Mass = A number of protons + number of neutrons
  • Atomic NumberZ = number of protons = number of electrons


From the periodic table, we can find the atomic number of cobalt (Co): 

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Problem Details
Fill in the gaps in the following table:


SymbolCo3+


Protons
347680
Neutrons
46116120
Electrons
36
78
Mass number59


Net charge

2+


Complete the second row of the table.

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What scientific concept do you need to know in order to solve this problem?

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