What differentiates an organic compound from an inorganic compound?
A) An organic compound lacks isotopes. B) An organic compound contains carbon. C) An organic compound lacks valence electrons. D) An organic compound is basic rather than acidic. E) An organic compound contains two or more atoms.
What is the difference between a stable isotope and a radioisotope?
A) A stable isotope emits light. B) A radioisotope emits radiation. C) A stable isotope emits radiation. D) A stable isotope absorbs radiation. E) A radioisotope has an unequal number of protons and electrons.