The oxidation numbers of sulfur in the sulfate ion, sulfite ion, ...

[frankwu]

The oxidation numbers of sulfur in the sulfate ion, sulfite ion, sulfur trioxide, and hydrogen sulfide are ________, ________, ________, and ________, respectively.
 
  A) +4, -2, +4, +6
  B) +6, +2, +4, +6
  C) +6, +4, +6, -2
  D) +4, +6, +4, -2
  E) -2, +6, -2, 0

Question 2

Temperature is a physical property that determines the direction of heat flow.
 
  Indicate whether the statement is true or false

[Benayers]

Answer to Question 1

C

Answer to Question 2

TRUE

[frankwu]

Wow, this really help

[komodo7]

Gracias!