Karteikarten
Chapter 8: Covalent Bonding (In Progress)
Karten in diesem Stapel (13)
- 1Why do atoms bond?This is due to the Octet Rule, which states that atoms want to have 8 electrons in their outermost energy level, because they want to be more stable. This can be done by gaining or losing electrons, Ionic Bonding, or Sharing Electrons, Covalent Bonding.
- 2What type of a bond is a result of sharing valence electrons?A Covalent Bond
- 3How does a Molecule form?When two or more atoms bond covalently
- 4The majority of covalent bonds form between what type of elements?non-metallic elements
- 5What are the diatomic molecules, and why do exist in this way?The diatomic molecules are: Hydrogen (H₂), Nitrogen(N₂), Oxygen(O₂), Fluorine(F₂) Chlorine(Cl₂), Bromine(Br₂) and Iodine(I₂)
They are formed when two atoms of each element shares electrongs. They exist this way becuase two-atom molecules are more stable than individual atoms - 6What is a Single Covalent Bond?A Covalent Bond in which only one pair of electrons is shared (E.X. hydrogen molecule)
- 7What is the shared electron pair referred to as?the bonding pair
- 8How can we represent the arrangement of electrons in a molecule?By using a Lewis Structure (similar to electron dot diagrams).
E.X. H:H - 9What is a Sigma Bond?A Sigma Bond is a single covalent bond. It occurs when two atoms have their valence atomic orbitals overlap end to end, concentrating the electron sin a bonding orbital between the two atoms. This is a localized region where electrons are most likely to be found.
- 10When does a double covalent bond occur?Forms when two pairs of electrons are shared between atoms. (E.X. Oxygen)
- 11When does a triple covalent bond form?When three pairs of electrons are shared between two atoms.(E.X. Nitrogen)
- 12What is a Pi Bond?...
- 13How do you name molecular compounds.There are several steps. Following the following is the best way to organize it:
Step 1: Look at the Formula of the molecule
Step 2: Does the compound form an acidic aqueous solution? If yes, go to step 3. If no, go to step 4.
Step 3: Name as an acid. Is there an oxygen present in the compound? If yes, go to step 5. If no go to step 6.
Step 4: Name the first element in the molecule. Use a prefix based on the number of atoms present.. To name the second element, indicate the number of atoms present by using a prefix, and and the rood word -ide, to the second element. You are done.
Step 5: Root of oxyanion present + -ic if the anion ends in -ate, or -ous, if the anion ends in -ite, then acid. You are done
Step 6. Hydro + root of second element + -ic, then acid. You are done.
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- Text Book - Glencoe Science: Matter and Change
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- TheCookingCardsman
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