electron configurations
generally speaking the size of atomic radii do this as you move from left to right
What is increase
Which of the following elements has the largest electronegativity: B,N,P,Si
What is N
The following radii 73,75,103 and 110 for the following elements N, O, P and S Which has the 73 radii
What is N
Generally, electronegativity does this as you move down the periodic table
What is decreases