Which of the following is the correct lewis structure for ammonia (nh3)? note: hydrogen and nitrogen have one and five valence electrons
respectively.

How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103

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

No copying 15 pts how does a free-body diagram tell you about the net force on an object?