1. Which of the following pairs of elements have similar properties and why? Li and Be, because they both hare electrons in the 2s energy level and sublevel.
b. F and Ci, because they have the same amount of valence electrons.
c. Na and C1, because Na wants lose one electron while Cl wants to gain 1 electron
d. H and He, because they are both gases and located in the s block.
HELP ASAP

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

For a patient with the following pes statement and interventions, which would be the most appropriate monitoring and evaluating data? pes statement: inadequate calcium intake related to food and nutrition related knowledge deficit as evidenced by statements that the only dietary source of calcium is milk and she believes that she is lactose intolerant. patient’s nutrition prescription is for a diet providing 1200 mg calcium per day. patient was provided with in-depth nutrition education on alternative dietary and supplement sources of calcium. a. calcium intake (at subsequent visit) b. knowledge assessment by asking patient to identify food sources from menus and shopping list (at the end of the current visit) c. serum calcium (at next visit) d. both a and b e. both a and c

What is the value of keq for the reaction expressed in scientific notation?