How does the bonding involved in a compound (nanoscopic interactions) influence the macroscopic physical properties that can be observed of the compound?
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How does the bonding involved in a compound (nanoscopic interactions) influence the macroscopic physical properties that can be observed of the compound?
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- What are some of the ways that the features of carbon-to-carbon bonds influence the stability and 3-D structure of organic molecules?Discuss whether the following statement is correct: “An ionic bond can, in principle, be thought of as a very polar covalent bond. Polar covalent bonds, then, fall somewhere between ionic bonds at one end of the spectrum and nonpolar covalent bonds at the other end.”ionic bonds involve_____ a)electrostatic attraction b)sharing electrons c)valence configuration
- The “octet rule” in chemistry helps predict the types of bonds thatatoms will form. In general, an atom will be most stable if it fills itsouter shell of 8 electrons. Atoms with fewer than 4 valence electronstend to donate electrons and those with more than 4 valence electronstend to accept additional electrons; those with exactly 4 can do both.Using this rule, determine what category each of the followingelements falls into: N, S, C, P, O, H, Ca, Fe, and Mg. (You will needto work out the valence of the atoms.)what is a weak bond between hydrogen atom with a partial positive charge(usually O or N) and electronegative atom with a partial negative charge?What are the functional groups in biological macromolecules that contribute to ionic bonding interactions between macromolecules?
- Using the appropriate chemical structures describe the monomers and polymers for each of the following macromolecules; a) fats b) nucleic acidBeyond the differences in molecular mass, what is different about determining the molarity of a solution containing a salt (e.g. NaCl, MgCl2) versus a covalently linked molecule (e.g. glucose)?Apply the formula for the differences in electronegativities, for the following molecules, and define whether they are polar covalent, nonpolar covalent or ionic. Taking into account that: Non-polar covalent: greater than or equal to 0 but less than 0.7 Polar covalent: greater than or equal to 0.7 but less than 1.7 ionic: greater than 1.7 A)NO B)KCI C)F2 C)AsO