Calculate the lonic character of the interatomic bond between elements with electronegativities of 2.5 and 3.4, respectively a) 18.3 b) 19.0 c) 77.5 d) 79.8 11. (15 points) given n with atomic number 7. how many shells does n have? what is (are) the subshell(s) related with each shell?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?

Asolid that forms and separates from a liquid mixture is called