What differs between a radioactive isotope and a stable isotope? a. radioactive isotopes last longer. b. radioactive isotopes last for less time. c. there is no difference. d. stable isotopes are shorter.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

What is a metal replacement reaction

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?