chromium has four naturally occurring isotopes; cr-50, cr-52, cr-53, and cr-54. if the average atomic mass of chromium is 51.996 amu, which isotope of chromium is found in the greatest abundance?

hi i'm turkish!  

baklava  

kuru pilav

şöbiyet

hi i'm turkish!

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!