An Element Has 5 Stable Isotopes

question 84

Multiple Choice

An element has 5 stable isotopes. The mass and percentage of each are: 89.9043 51.46%
90) 9053 11.23%
91) 9046 17.11%
93) 9061 17.40%
95) 9082 2.80%
The element is which of the following?

• A) Nb
• B) Y
• C) Sr
• D) Zr
• E) Rb

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