trends with in the periodic table

which of these describes atomic radii as one moves from top to bottom within a group?

the atomic radius decreases from top to bottom within a group

the atomic radius increases from top to bottomwithin a group

the atomic radius does not vary in any predictable way within a group

the atomic radius is the same within a group

2 which one of theses describes atomic radii as one travels across a period from left to right

the atomic radius decreases as one moves across a period

the atomic radius increases as one moves across a period

there is no change in the atomic radius across a period

the atomic radius does not vary in any predictable way across a period

3 which of the following is true of the first ionization energy within a group

the first ionization energy does not vary within a group

the first ionazation energy increases from top to bottom within a group

there is no pattern of ionization energy within a group

the first ionization energy decreases from top to bottom within a group

4 which of the following is a measure of how readily an atom attracts electrons when it is part of a compound

electronegativity

formation of an ion

atomic radius

ionization energy

5 which of the following is true about the radi of Na and Na+

Na+ has a larger atomic radis than Na

they have the same radius

it is impossible to know which has a larger radius

Na has a larger atomic radius than Na+