Question 16 (5 points) What type of chemical bond is responsible for the 3 dimensional structure of nucleic acids and proteins? covalent bonds ionic bonds hydrogen bonds non-polar covalent bonds Question 17 (5 points) Beryllium has an atomic number of 4 and an atomic mass of approximately 9. How many neutrons does a beryllium atom have? 5 13 4 9
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Question 16: The 3 dimensional structure of nucleic acids and proteins is primarily maintained by hydrogen bonds. Show more…
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Question 16 Metallic solids are composed of metal atoms. Which statement best describes them? Their outermost electrons are loosely held by the atoms in the solid They have a sea of positive charge around the core They have a negative region near the core All of their electrons are free to travel to surrounding atoms Question 17 What type of intermolecular force exists between water molecules? dipole-dipole forces London forces hydrogen bonds covalent bonds
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Use the following information to answer questions 14-16 The radius of atoms and ions is typically measured in Angstroms $(A),$ which is equivalent to $1 * 10^{-10} \mathrm{m} .$ Below is a table of information for three different elements. TABLE NOT AVAILABLE Neon has a smaller atomic radius than phosphorus because: (A) Unlike neon, phosphorus has electrons present in its third energy level. (B) Phosphorus has more protons than neon, which increases the repulsive forces in the atom. (C) The electrons in a neon atom are all found in a single energy level. (D) Phosphorus can form anions, while neon is unable to form any ions.
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