Here is the c-13 nmr of 1-chlorobutane, explain why the signals for the four different carbons appear in different places (different chemical shifts) in the spectrum.

What is a metal replacement reaction

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

The number at the end of an isotope’s name is the number.