Quick question: Are water molecules attracted to each other because of the polar nature of water?

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

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?

Which of these elements is a metal?