We’re being asked to complete the sixth column of the given table.
Recall that the symbol for an element or ion is as follows:
Recall that the number of protons is equal to the atomic number.
For the first, third and fourth rows:
The number of neutrons, #n are already given.
This means that we only need to determine the number of neutrons for the second row.
Recall that the mass number is equal to the sum of the number of protons and neutrons.
Complete the sixth column of the table.
Frequently Asked Questions
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 Ions concept. You can view video lessons to learn Ions. Or if you need more Ions practice, you can also practice Ions practice problems.
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