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:
From the periodic table, we can find the atomic number of cobalt (Co):
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?
Our tutors have indicated that to solve this problem you will need to apply the Subatomic Particles concept. You can view video lessons to learn Subatomic Particles. Or if you need more Subatomic Particles practice, you can also practice Subatomic Particles practice problems.