The possible oxidation numbers for iron are +1 and +2. ...

[ishan]

The possible oxidation numbers for iron are +1 and +2.
 
  Indicate whether the statement is true or false

Question 2

The oxidation state of silicon in SiO44- is ________.
 
  A) 0
  B) +6
  C) +2
  D) +4
  E) -4

Question 3

Which statement about atmospheric pressure is false?
 
  A) As air becomes thinner, its density decreases.
  B) Air actually has weight.
  C) With an increase in altitude, atmospheric pressure increases as well.
  D) The warmer the air, the lower the atmospheric pressure.
  E) Atmospheric pressure prevents water in lakes, rivers, and oceans from boiling away.

[jrpg123456]

Answer to Question 1

FALSE

Answer to Question 2

D

Answer to Question 3

C

[ishan]

Thanks

[jrpg123456]

Welcome