Which of the Following Statements Apply to the P-Block Elements

Which of the following statements apply to the p-block elements? Please select all that apply.

A) The oxidation state of the common anions is always equal to the number of valence electrons minus eight.
B) The ionic character decreases left to right across the period.
C) The acidic character increases left to right across the period.
D) The maximum oxidation state of the cation, increases left to right across the Periodic Table.