Stacey sees a person pushing a lawn mower across level ground. She is walking at constant speed and pushing the mower with constant force.
Could the lawn mower move faster than the person is walking?

When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve

Can a molecule have bond dipoles but not have a molecular dipole?

Select the correct lewis structure for fluorine which is group 7a element?