Find the value of x in the following reaction by determining the number of neutrons released when Plutonium-239 absorbs a
neutron and undergoes fission.
23Pu + Ön 137 Ce + Kr + x bn
X=

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i  

its first and third is your answer i did the qustion the fourth isnt right

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