Question
Which element of Group 17 has two isotopes of masses 35
and 37 amu with average abundance of 75.77% and 24.23%, respectively?Solution
Chlorine is the element of Group 17 that has two isotopes of masses 35 and 37 amu. The average abundance of the isotopes is 75.77% for 35 amu and 24.23% for 37 amu. Chlorine has the atomic number 17 and its chemical symbol is Cl.
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