The name given to the force of attraction of the electron of one atom for the proton

What are the genotypic and phenotypic ratios

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?

Connect the whole numbers on the periodic table to indicate what they represent?