Iof distilled wader
ond equal
a student takes about 4ml of distill
in four best tubes marked p q r & s
then dissolves in each test tube and et
amant or one salt in one test tubes
namely sodium sulphate in pardassium,
sulphate in g, calcium sulphate in ra
magnesium sulphate in s arder that he
adds an equal amount of soap solution in
each dest tube
naman die indipen
to which test tubecs he observes a good
amount of lather foam on shaking each!

*tilts head* sounds more like a statement

i have no clue hope you find the answer

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

pv=nrt

explanation: