Pages
Home
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
ARCHIVE
DPPs
Books
Best Deals:
MISC
Contact Us :
About Us:
Search This Blog
Friday, August 26, 2022
If an element Z exist in two isotopic form Z^50 and Z^52. The average atomic mass of Z is 51.7. Calculate the abundance of each isotopic forms
Boron has two stable isotopes, (19%) and (81%). The atomic mass that should appear for boron in the periodic table is
The mass composition of universe may be 90% , and 10% . The average molecular of universe should be
Newer Posts
Older Posts
Home
Subscribe to:
Posts (Atom)