Explain why the place of aluminum in the reactivity wagon seems to be unsuitable.

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

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?