Which of the following represents a pair of isotopes?
A) (157N, 158O)
B) (126C, 136C)
C) (188O, 199F)
D) (3216S, 3216S2-)
E) (O2, O3)
Correct Answer:
Verified
Q2: Which of the experiments listed below did
Q3: The ion 127I- has
A) 53 protons, 74
Q4: How many of the following did Dalton
Q6: The element rhenium (Re) exists as two
Q13: When 3.0 L of hydrogen gas (H2)
Q15: Which of the following statements is(are) true?
Q16: According to the law of definite proportions,
A)
Q16: Which of the following statements is(are) true?
Q18: An ion is formed
I. by either
Q19: Which is the symbol for the isotope
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