`In this lesson we discussed how to abbreviate electron configurations using what is called noble gas configuration. So if you were writing such a configuration for phosphorus, which noble gas would you use?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

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

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?