The Element Chlorine Has Two Stable Isotopes,chlorine-35 with an Atomic

Multiple Choice

The element chlorine has two stable isotopes,chlorine-35 with an atomic mass of 34.97 u and chlorine-37 with an atomic mass of 36.97 u.From the atomic weight found on the periodic table,one can conclude that:

A) both isotopes have the same percent natural abundance
B) there is an isotope of nitrogen with an atomic mass of 35.45 u
C) chlorine-35 has the highest percent natural abundance
D) chlorine-37 has the highest percent natural abundance