In a lab, a student calculates the density of a piece of silver to be 8.74 g/cm3. The actual density of silver is 10.49 g/cm3. What was the student's percent error? Round your answer to 1 decimal place and be sure to include units

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

What element has similar physical and chemical properties as boron.

The bone of a dinosaur and the imprint of a leaf are examples of which kind of fossils? a) index b) body c) amber d) trace