Nitrogen-14 mass number

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

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?