trends with in the periodic table

1
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+
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