ch3 - atomic structure

Question 1

valence electrons

Answer 1

includes last filled s-orbital electrons and the current block of the element

Question 2

effective nuclear charge (Zeff)

Answer 2

nuclear charge that is experienced by a valence electron, Z(atomic #)-shielding constant

Question 3

size of atoms increase when

Answer 3

going down a group bc of increase in quantum number (n)

Question 4

size of atoms decrease when

Answer 4

going left to right in a period bc of an increase in Zeff

Question 5

ionization energy

Answer 5

energy required to remove outermost electron