lodine (atomic number 53) has a mass
of 126.9 amu. Tellurium (atomic
number 52) has a mass of 127.6 amu.
Which element would have appeared
first on Mendeleev's table?
A. tellurium
B. They were separated by one element between them.
C. iodine
D. They were interchangeable.
of 126.9 amu. Tellurium (atomic
number 52) has a mass of 127.6 amu.
Which element would have appeared
first on Mendeleev's table?
A. tellurium
B. They were separated by one element between them.
C. iodine
D. They were interchangeable.