Use a Explain how a polar covalent bond is different from an ionic bond. Use a water molecule to describe the relationships among all the following: polar and non-polar molecules, intramolecular and intermolecular forces, hydrophilic and hydrophobic interactions. What is the hydrophobic effect? Name the four most common elements that make up living systems. Describe how radioisotopes can be used to locate cancerous tissues in the body. Identify each of the following bonds as polar or non-polar. Provide justification for your answer. 0-0 b. C-CI c. H-N d. P-0 Hydrocarbons contain many hydrogen atoms but are not known to carry out hydrogen bonding. Explain this apparent discrepancy. Use the hydrophobic effect to explain why the oil in salad dressing will rise to the top of a water-based mixture of vinegar and herbs.water moleculIdentifying the Presence of Biological Molecules in Various Food Samples Using Reagente to describe the relationships among all the following: polar and non-polar molecules, intramolecular and intermolecular forces, hydrophilic and hydrophobic interactions