Bio 150 - Launch Pad: Final Exam Correct 100%

True or false: observations allow scientists to draw tentative explanations called hypotheses. -false -true - ANSWER true The negatively charged components of atoms are referred to as: -anions -electrons -neutrons -protons -cations - ANSWER electrons Which one of the following contributes to the measurement referred to as atomic mass? -protons and electrons -protons and neutrons -neutrons only -electrons and neutrons -protons, electrons, and neutrons - ANSWER protons and neutrons A polar bond is due to: -the interaction between an ion and a non-ionic atom -an attraction of opposite charges -uneven sharing of electrons in a covalent bond -None of the above accurately describes a polar bond -equal sharing of valenc