The actual density of iron is 7.874 g/mL. In a laboratory investigation, Jason finds the density of a piece of iron to be 7.921 g/mL. What is the percent error that is associated with Jason’s measurement?
-4.7%
-0.6%
0.6%
4.7%

What are transitions between a liquid and a solid called? identify which way they are transitioning

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true