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8. Which of the following is a polyatomic ion?
a. Na
b. SO42-
C. F-
d. Ca2+​


Sagot :

Answer:

I think B. SO42-

Step-by-step explanation:

i hope this helps

Answer:

B.

Step-by-step explanation:

Symbols and Names of Some Common Polyatomic Ions and One Molecule

NH4+ ammonium ion cyanide ion

SO42- sulfate ion cyanate ion

HSO4- hydrogen sulfate ion thiocyanate ion

SO32- sulfite ion carbonate ion

Hope its help paki follow na dn