The element rhenium (Re) exists as two stable isotopes and 18 unstable isotopes.Rhenium-185 has in its nucleus
A) 75 protons,75 neutrons
B) 75 protons,130 neutrons
C) 130 protons,75 neutrons
D) 75 protons,110 neutrons
E) not enough information
Correct Answer:
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Q34: Which of the following statements is true?
A)Ions
Q35: All of the following are true except:
A)Ions
Q36: A species with 12 protons and 10
Q37: By knowing the number of protons a
Q38: Which of the following statements is (are)true?
A)
Q40: Bromine exists naturally as a mixture of
Q41: Which of the following is incorrectly named?
A)SO32-,sulfite
Q42: Which of the following pairs is incorrect?
A)iodine
Q43: Which of the following are incorrectly paired?
A)Antimony,Sb
B)Silicon,Si
C)Silver,Ag
D)Argon,Ar
E)Astatine,As
Q44: What is the subscript of barium in
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