We’re being asked to complete the fourth 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 row:
From the periodic table, we can see that the atomic number of calcium (Ca) is 20:
|Symbol||Ion Formed||Number of Electrons in Ion||Number of Protons in Ion|
Complete the fourth 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 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.