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
Fill in the gaps in the following table:
Complete the third row of the table for the number of neutrons for P3-.
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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Based on our data, we think this problem is relevant for Professor Bartoszek Loza's class at OSU.