Atomic size trend in groups and periods work sheet

1.what happens to atomic size in group and periods

2.Explain above with reason

3.Define atomic radius

4.what are units of atomic radius and what is its value

5.why atomic size increase in group explain giving eg of 1st group

6.wht atomic size decrease in periods explain with eg of 2nd period

7.Among cation anion and aton

Whic is bigger and smaller explain with reason

Giving an eg

8.Among sodium ion and sodium aton which is bigger explain with reason

9.