The table shows the possible oxidation states of five d block elements in the periodic table. (The elements are represented by letters which are not their symbols.) Q _ 2 3 4 _ _ _ _ R 1 2 3 4 5 _ _ _ S _ _ 3 4 5 6 _ _ T _ 2 _ 4 5 6 7 _ Which of the following ions is likely to exist? A. SO4 ^1- B. QO3 ^1 - C. RO4 ^ 2- D. TO2 ^2
The table shows the possible oxidation states of five d block elements in the periodic table. (The elements are represented by letters which are not their symbols.)Q _ 2 3 4 _ _ _ _ R 1 2 3 4 5 _ _ _S _ _ 3 4 5 6 _ _T _ 2 _ 4 5 6 7 _Which of the following ions is likely to exist?A. SO4 ^1-B. QO3 ^1 -C. RO4 ^ 2-D. TO2 ^2
Did you actually read this after posting?
I suggest that if you want help you give your audience at least some help in interpreting the question.