Chemical Bonds and Lewis Diagrams
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Questions and Answers

In a triple covalent bond, how many electrons are shared to form three bonds?

  • 2 electrons
  • 8 electrons
  • 4 electrons
  • 6 electrons (correct)

What type of bond is formed between two nitrogen atoms in a nitrogen molecule?

  • Ionic bond
  • Triple bond (correct)
  • Double bond
  • Single covalent bond

What is the role of delocalized valence electrons in metal bonding?

  • Forming ionic bonds
  • Creating double bonds
  • Causing electrostatic forces (correct)
  • Contributing to Lewis diagrams

Which term describes substances formed from a reaction between a metal and a non-metal?

<p>Ionic substances (D)</p> Signup and view all the answers

What does the Law of Constant Composition state regarding compounds?

<p>All samples have the same elemental composition. (C)</p> Signup and view all the answers

What is the sum of the relative atomic masses of atoms in a molecule known as?

<p>Molecular mass (A)</p> Signup and view all the answers

What type of bond is formed between a metal and a nonmetal?

<p>Ionic bonding (B)</p> Signup and view all the answers

In a Lewis diagram, how are valence electrons of an element represented?

<p>As dots around the symbol (A)</p> Signup and view all the answers

What type of bond involves the sharing of electrons between non-metal atoms?

<p>Covalent bond (C)</p> Signup and view all the answers

How many electrons are shared in a double covalent bond?

<p>4 electrons (A)</p> Signup and view all the answers

What is the main difference between single and triple covalent bonds?

<p>The number of electrons shared (D)</p> Signup and view all the answers

Which type of bond is formed when atoms overlap their half-filled orbitals?

<p>Covalent bond (C)</p> Signup and view all the answers

What does the term 'electron negativity' refer to?

<p>The ability of an atom to attract electrons in a bond to itself (D)</p> Signup and view all the answers

Which type of bonding is characterized by atoms sharing electrons?

<p>Covalent bonding (A)</p> Signup and view all the answers

What is the primary factor that determines the strength of a covalent bond?

<p>Electron negativity difference between the bonded atoms (A)</p> Signup and view all the answers

In which direction does electron negativity generally increase across a period?

<p>From left to right (D)</p> Signup and view all the answers

What is the central concept in Lewis diagrams for chemical bonding?

<p>Number of valence electrons in each element (C)</p> Signup and view all the answers

Which type of bonding involves the transfer of electrons from one atom to another?

<p>Ionic bonding (C)</p> Signup and view all the answers

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