3. Find the period 2 elements (atomic numbers #3-10) and the period 3 elements (#11 - 18). Do period 2 and period 3 have the same trend?
4. Examine your graph. Find the group 1 elements (atomic numbers #1, 3, 11, and 19). What happens to atomic radius as you move down the group?
5. Do you see this same trend in group 18 elements (# 2, 10, 18)?
need help with these 3 questions please !!
