What is the name for the following coordination compound or ion?

Question

Na3[Cr (NH3) NO2 Cl3]

Answer 1

Na3 = sodium, NH3 = ammine, NO2- = nitro, cl3 = trichloride, cr = Chromium

Now chromiums charge is -1+(-3)+3+ chromium= 0. chromium is 1.
NH3 is a cation, cl is anion, but we use chromium instead of chromate.

Sodium amminenitrotrichloride chromium(I).

Answer 2

correction: no space between amminenitrotrichloride and chromium.

sodium amminenitrotrichloridechromium(I)