Which of the following statements is inaccurate?

a. the electronic structure of an atom or ion being oxidized doesn't change during the reaction.
b. oxidation includes a loss of electrons from an atom or ion.
c. oxidation comes before reduction.
d. oxidation results in a positive charge.

Which substances have the lowest melting points: ionic covalent, or metallic

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.