Asked by 0oooooooo0

Antimony, Sb, has atomic number 51.

a)WHICH PERIOD AND BLOCK IS ANTIMONY FOUND?

is it period 6 block 13???

b)DIFFERENT ISOTOPES OF ANTIMONY HAVE THE SAME CHEMICAL PROPERTIES. EXPLAIN WHY (1)

Is it their the same thing??

C)A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY.

please help I'm really stuck,
Answered by DrBob222
a. no.
b. Because the electron configuration is the same for both isotopes.
c. How did Ar= 121.8 get in there?
If you will go up to the Br isotope problem you posted, just follow what I did for that and you can do this one.
Answered by 0ooooooooo0
DrBob222 please help with a i dont know what to do or what it is and for c that was what the question said and I'm still confused please tell me the steps specific to this.
Answered by 0ooooooooo0
IM VERY STUCK ON C
Answered by 0ooooooooo0
My teacher put in Ar=121.8 so we would know the ar to use if for the question if that helps yuo answer the question so you can hopefully help me
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