11. name the following ionic compounds (including roman numerals where appropriate).
a. caf2
b. (nh4)2cro4
c. k2co3
d. nacl
e. pbof. cuso4
g. ca(no3)2
h. mg(oh)2i. sno2

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.