A covalent bond forms whena. electrons are present in a valence shell.b. a valence electron is removed from one atom and added to another.c. a pair of valence electrons is shared between two atoms.d. the electronegativity of one atom is much greater than that ofanother atom.
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A covalent bond forms when
a. electrons are present in a valence shell.
b. a valence electron is removed from one atom and added to another.
c. a pair of valence electrons is shared between two atoms.
d. the electronegativity of one atom is much greater than that of
another atom.
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- Indicate which orbitals overlap to form the s bonds in each molecule.a. BeBr2 b. HgCl2 c. ICN. A cation is a(n)a. uncharged atom.b. positively charged atom.c. negatively charged atom.d. atom that has gained an electronNoncovalent bonds include all of the following except: a. van der Waals interaction b. ionic bonds c. carbon–oxygen double bond d. hydrogen bond
- Which of the following statements about chemicalbonds is true?a. Covalent bonds are stronger than ionic bonds.b. Hydrogen bonds occur between two atoms ofhydrogen.c. Bonding readily occurs between nonpolar andpolar molecules.d. A molecule of water is unlikely to bond with anion.Choose the best answer for following question. An atom that has two electrons in the valence shell, such asmagnesium, would most likelya. share to acquire a completed outer shell.b. lose these two electrons and become a negatively charged ion.c. lose these two electrons and become a positively charged ion.d. bind with carbon by way of hydrogen bonds.e. bind with another magnesium atom to satisfy its energy needs.The weak attractive force between two water molecules forms a(n)a. covalent bond. c. ionic bond. e. isotope.b. hydrogen bond. d. compound.
- One of the results of a fat being saturated is that the molecules interact stronger. This means that saturated fats are usually solid at room temperature while unsaturated fats are typically liquids. The interactions between triglycerides falls under which of the following types. Select one: a. Covalent Bonds b. van der Walls bonds c. Hydrogen Bonds d. Ionic BondsFluorine has an atomic number of 9. Which of the following is true of fluorine? O A. It will lose an electron to become a cation. B. It will gain an electron to become an anion. O C. It will form two covalent bonds to fill its outer shell. O D. It will form three covalent bonds to fill its outer shell. d. MacBooHydrogen bonds are formed as a result of which of the following?a. ionic bondsb. nonpolar covalent bondsc. polar covalent bondsd. None of these are correct.
- Define the following terms: a. dipole b. hydrogen bond c. electrostatic interaction d. covalent bond e. hydrationWhich of the following bonds is/are likely to be polar (choose all that apply)? a. H-H b. O-H c. C-H d. O-O1. Polar Covalent Bonds a. Draw one water molecule. b. Indicate which bonds are polar covalent bonds by using a solid red line for each of those bonds. c. Label the partial charges.