Chemistry Chapter: Atoms and Bonds

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Questions and Answers

What type of bond involves the transfer of electrons from one atom to another?

  • Ionic Bonds (correct)
  • Covalent Bonds
  • Metallic Bonds
  • Hydrogen Bonds

How many electrons do carbon atoms typically need to satisfy their bonding requirements?

  • 8
  • 2
  • 6
  • 4 (correct)

What happens to energy when bonds between atoms are broken?

  • Energy is lost
  • Energy is stored
  • Energy is transformed into light
  • Energy is released (correct)

In which of the following molecules do atoms interact primarily through covalent bonding?

<p>Water (H2O) (D)</p> Signup and view all the answers

Which statement about oxygen atoms is correct regarding their bonding needs?

<p>Oxygen atoms need 8 electrons. (C)</p> Signup and view all the answers

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Study Notes

Atoms

  • Carbon atoms require four electrons to achieve stability.
  • Oxygen atoms require eight electrons to achieve stability.

Types of Bonds

  • Ionic Bonds: Electrons are transferred from one atom to another.
  • Covalent Bonds: Electrons are shared between atoms.

Energy and Bonds

  • Energy is stored within chemical bonds.
  • Breaking bonds releases energy.

Molecule Formation

  • Atoms interact to form molecules.
  • Examples of molecules include water, proteins, and carbohydrates.

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