The atomic number is always equal to the atomic mass true false

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

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

What occurs when a cell engulfs large food particals