Multiple Choice
Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51V with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9415. The percent abundances of the vanadium isotopes are _% 50V and _ % 51V.
A) 1.000, 99.000
B) 49.00, 51.00
C) 0.2500, 99.750
D) 99.000, 1.000
E) 99.750, 0.2500
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The species contains 16 neutrons.<br>A). <sup>36</sup>Cl<br>B). <sup>31</sup>P<br>C).
Q3: Which pair of elements is most apt
Q4: The formula for aluminum hydroxide is .<br>A)
Q5: Which species is an isotope of <sup>39</sup>Cl?<br>A).
Q6: The formula of bromic acid is _.<br>A)
Q8: An empirical formula always indicates .<br>A) the
Q9: An unknown element is found to have
Q10: Predict the charge of the most stable
Q11: The formula of the carbonate ion is
Q12: Cathode rays are .<br>A) x- rays<br>B) atoms<br>C)