Consider the following species:
`N^(3-)`, `O^(2-)`, `F^-`, `Na^+`, `Mg^(2+)`, and `Al^(3+)`
What is common in them ?

Consider the following species: N^(3-) , O^(2-) , F^- , Na^+ , Mg^(2+) , and Al^(4+) Arrange them in the order of increasing ionic radii.

Identify from the following the isoelectronic species: Ne, O^(2-) , Na^+ OR ar, Cl^(2-) , k^+

Write Lewis symbols for the following atoms and ions : S and S^(2-) , Al and Al^(3+) , H and H^-

Consider the following redox reaction Mg_((S)) +Sn_((aq))^(2+) rarr Mg_((aq))^(2+)+Sn_((s)) : Write the cell formula.

Answer the following questions: 3MnO_2+ 4Alrarr 3 Mn+ 2Al_2O_3 + heat . Identify the substances undergone oxidation and reduction reactions.

Assign oxidation number to each atom in the following species. Na_2 S_2 O_3 .

Write the electronic configurations of the following ions: a. H^- b. Na^+ c. O^(2-) F^-

Assign oxidation number to each atom in the following species Na_2S_2O_3

Formulate a cell from the following electrode reactions Au^(3o+) (aq) + 3e^(o-)rarrAu(s) Mg(s)rarr Mg^(2o+) (aq) + 2e^(o-)

Formulate a cell from the following electrode reactions: Au^(3o+) (aq) + 3e^(Theta)rarr Au(s) Mg(s)rarr Mg^(2o+) (aq) + 2e^(Theta) .