Two naturally occurring isotopes exist for the hypothetical element dippium. 25.0 percent of dippium atoms have a relative mass of 17.0 amu and 75.0 percent a relative mass of 21.3 amu. What is the atomic mass of dippium?
A) 18.1 amu
B) 19.1 amu
C) 20.2 amu
D) 38.3 amu

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The Answer of Two naturally occurring isotopes exist for the hypothetical element dippium. 25.0 percent of dippium atoms have a relative mass of 17.0 amu and 75.0 percent a relative mass of 21.3 amu. What is the atomic mass of dippium?
A) 18.1 amu
B) 19.1 amu
C) 20.2 amu
D) 38.3 amu

Two Naturally Occurring Isotopes Exist for the Hypothetical Element Dippium