1. 1. Identify the elements that have the following electron configurations. Be mindful, some may be in their excited state.
(A) 1s 2s 2p 3s 3p?
(B) 1s? 2s 2p 3s 3p 4a? 3d10 4p4
(C) 1s2s22p% 3p?

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive