Tellurium and iodine appear next to each other in the periodic table with tellurium in group 16 and iodine in group 17. Mendeleev's early periodic table had this order reversed because __________
A) the mass number is larger for iodine.
B) tellurium has one more proton than iodine.
C) iodine has one more proton than tellurium.
D) Te comes after I in the alphabet.
E) in total tellurium has more protons and neutrons than iodine.
Correct Answer:
Verified
Q22: A Q25: The Curiosity rover now on Mars Q26: Technetium often is used to image Q29: What is the symbol for magnesium? Q29: What is the symbol for sulfur?
A)M
B)Mg
C)Mn
D)Mo
E)Ma
A) Si
B)
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