Help chemistry name for NA2CR2O7

[FNN]

iupac name for NA2CR2O7 AS Iron(II) oxide

 

[SteamKing]

You can google the chemical formula.

(Hint: remember that an element's chemical symbol is an initial upper case letter followed by a lower case letter [if any].
Thus - Na2Cr2O7)

 

[sjb-2812]

What ions can you identify in this formula?

 

[janhaa]

$$Na_2Cr_2O_7$$

 

[janhaa]

iupac name for NA2CR2O7 AS Iron(II) oxide

http://en.wikipedia.org/wiki/Sodium_dichromate

 

[FNN]

i need the name of Na2Cr2O7 with oxidation number

 

[Borek]

Assigning oxidation numbers.

 

[FNN]

thank u all for replies i got the answer. so please do not reply me again. i got answer from janhaa