In this problem, we are asked to determine the number of valence electron for a given electron configuration
Let's first identify the element, to do this, you’ll have to identify the atomic number of that element. Recall that every single element in the periodic table has a corresponding atomic number.
The atomic number of an element is always equal to the number of protons of that element. And when the element is neutral (charge = 0), the number of protons is equal to the number of electrons.
Neutral element: Atomic number = # protons = # of electrons
An atom has the electron configuration 1s22s22p63s23p3. How many valence electrons does the atom have?
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 Electron Configuration concept. You can view video lessons to learn Electron Configuration. Or if you need more Electron Configuration practice, you can also practice Electron Configuration practice problems.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Rupnik's class at LSU.