Which one of the following have least effective nuclear charge? 1. `O^(2-)` 2. `F^(-)` 3. `Na^(+)` 4. `Mg^(2+)`

Which of the following is generally true regarding effective nuclear charge (Z_(eff)) :

Which one of the following is most metallic? Na Mg Al Si

Which of the following valence electron experiences maximum effective nuclear charge?

Which of the following statement is most correct ? Effective nuclear charge of atom depends on

Which of the following pairs would have a larger size? Explain. Na^(+) or Mg^(2+)

Which of the following are iso-electronic species? Na^(+), Mg^(2+), Ca^(2+), S^(2-)

Which one of the following electrolytes is most effective for the coagulation of Fe(OH)_(3) sol and why? NaCl, Na_(2)SO_(4),Na_(3)PO_(4)

Among the following pairs of orbital which orbital will experience the larger effective nuclear charge? a. 2s and 3s , b. 4d and 4f , c. 3d and 3p

Which one of Na, Mg , Fe , and Cu has least tendency to form ions ?

Which of the following pairs would have a smaller size. Explain. (a) Na^(o+) or Mg^(2+) , (b) O^(2-) or F^(ɵ) (c ) P or As