Which chemical formula represents a polyatomic ion?
2 answers:
Answer:CIO^-
Explanation: just took the quiz, and I got it right
Polyatomic ions describes ions which are posses more than one atom. Hence, the formula which represents a polyatomic atomic ion is
- Sulphates contain both Sulphur and Oxygen atoms, hence, they contain two atoms, thus they are polyatomic.
- Sulphide are represented as
; containing only Sulphur atom, hence, they are mono atomic.
- Chlorides are represented as
; containing only chlorine atoms, hence, they are mono atomic.
- Nitrides are represented as
; containing only Nitrogen atom, hence, they are also mono atomic.
Therefore, sulphates are polyatomic as they contain more than one atom.
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Answer: The value of u · d = 4
Explanation:
(2y -1) = 0 , 2y = 1 , y = 1/2 . u = 1/2
(8-y)=0 y = 8 d = 8
Substitute values for u·d 1/2 · 8 = 4
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