why is it important to use the correct number of significant digits when reporting the results of an experiment

Scientists predicted Adamantium would have an Atomic radius of 327 pm. Once the element was measured experimentally, they found that the atomic radius was really 312 pm. Calculate the percent error of their prediction

Paragraph to your girlfriend

What are the chemical formulas for ... Heptasulfur Pentoxide: Trisulfur Monochloride: Selenium Hexafluoride: Tetranitrogen Pentasulfide: Carbon Nonachloride: ?

Which of the following will occur when a solution of Pb (NO3) 2 (aq) is mixed with a solution of KI (aq) ? A.) A precipitate of KNO3 will form; Pb2 + and I - are spectator ions. B.

When red litmus paper is added to limewater, then what will be the change in litmus paper? Give reason. Write the chemical formula of limewater also.

The process that changes the identity and number of protons in a nucleus is

Which best describes the process of igneous rock formation?

Describe how crust forming on the surface of lava illustrates the principle that removing heat from a system may result in a change in state.

Study the ion that contain the element chlorine. What are some similarities between the formulas for these ions

What is the density of a marble that has a mass of 3.023 g and displaces 2.5 mL of water?