Introduction to Chemistry
What are valence electrons?
How does the group number of a main group element relate to its number of valence electrons?
What does the atomic number of an element represent in a neutral atom?
Given the electron configuration 1s2 2s2 2p6 3s2 3p5, identify the number of valence electrons.
How would you determine the number of valence electrons in phosphorus, and what is its position on the periodic table?
