Ch 3: Chemical bonds

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What type of bonding involves the sharing of electrons between atoms?

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

Which type of bond is formed when three pairs of electrons are shared between atoms?

  • Double bond
  • Single bond
  • Triple bond (correct)
  • Dative bond

What do Lewis diagrams represent?

  • The movement of electrons within an atom
  • The structure of the atomic nucleus
  • The chemical properties of an element
  • The valence electrons and bonding between atoms (correct)

In covalent bonding, what happens when atoms share electrons?

<p>Atoms stabilize in a lower energy state (C)</p> Signup and view all the answers

What type of bond involves one atom donating a lone pair to bond with another atom lacking electrons?

<p>Dative covalent bond (B)</p> Signup and view all the answers

How do helium atoms behave when approached for bonding?

<p>They stay apart as the energy minimum is not significantly lower (C)</p> Signup and view all the answers

'Oxygen atom shares electrons with hydrogen atoms' exemplifies which type of bond?

<p>Single bond (B)</p> Signup and view all the answers

'Formed when two pairs of electrons are shared, as in O2' refers to which type of bond?

<p>'Double bonds' (A)</p> Signup and view all the answers

Why do atoms bond?

<p>To achieve a more stable state (C)</p> Signup and view all the answers

What is the role of valence electrons in bonding?

<p>They determine an atom's chemical behavior and its ability to bond (D)</p> Signup and view all the answers

Why are noble gases considered stable?

<p>Due to their full valence electron shells (B)</p> Signup and view all the answers

In the atomic model, where do valence electrons reside?

<p>In the outermost shell (A)</p> Signup and view all the answers

What determines whether atoms will bond or not when they approach each other?

<p>Balance of attractive and repulsive forces (D)</p> Signup and view all the answers

How does bonding affect the energy levels of atoms?

<p>Creates a stable molecule with lower energy than separated atoms (B)</p> Signup and view all the answers

What drives atoms to mimic noble gases?

<p>Drive towards stability by achieving a full valence electron shell (B)</p> Signup and view all the answers

What is the fundamental concept for deciphering molecules and compounds?

<p>Understanding atomic bonds (C)</p> Signup and view all the answers

Which electrons play a key role in determining chemical behavior?

<p>Valence electrons (C)</p> Signup and view all the answers

How do noble gases differ from other elements in terms of reactivity?

<p>Noble gases are less reactive due to their full valence shells (B)</p> Signup and view all the answers

What type of bond occurs when both electrons shared in the bond come from the same atom?

<p>Dative covalent bond (A)</p> Signup and view all the answers

Which type of bond involves sharing two pairs of electrons between atoms?

<p>Double bond (B)</p> Signup and view all the answers

What does a Lewis diagram represent in terms of chemical bonding?

<p>Valence electrons and bonding between atoms (A)</p> Signup and view all the answers

Which type of bond arises when three pairs of electrons are shared between atoms?

<p>Triple bond (B)</p> Signup and view all the answers

How do helium atoms behave when approached for bonding?

<p>They do not form bonds (B)</p> Signup and view all the answers

'Stabilizing the atoms in a lower energy state' mainly refers to:

<p>Formation of covalent bonds (D)</p> Signup and view all the answers

'Sharing of electrons between atoms' is a characteristic feature of:

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

'Atoms share or transfer electrons to achieve stable configurations' is best associated with:

<p>'Covalent' bonds (D)</p> Signup and view all the answers

'Non-bonding pairs of electrons' can significantly affect the shape and reactivity of a molecule due to their role in:

<p>&quot;Influencing the molecule's shape and reactivity&quot; (A)</p> Signup and view all the answers

'Two pairs of electrons shared, as in HCl' typically refers to which type of bond?

<p>'Single' bond (A)</p> Signup and view all the answers

What is the primary reason why atoms bond?

<p>To mimic noble gases' stability (A)</p> Signup and view all the answers

Which electrons are crucial in determining an atom's chemical behavior?

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

What occurs when two hydrogen atoms approach each other for bonding?

<p>They balance attractive and repulsive forces to form a bond (B)</p> Signup and view all the answers

In atomic bonding, what do atoms aim to mimic for stability?

<p>Noble gases' full valence electron shells (D)</p> Signup and view all the answers

Which model forms the basis for our understanding of chemical bonding?

<p>Atomic model (C)</p> Signup and view all the answers

What results from the interaction between atoms when they approach each other?

<p>Formation of a stable molecule with lower energy than separated atoms (A)</p> Signup and view all the answers

Why are noble gases considered less reactive compared to other elements?

<p>Due to having full valence electron shells (D)</p> Signup and view all the answers

Which type of electron configuration do atoms aim to achieve through bonding?

<p><strong>$1s^2 2s^2 2p^6$</strong> configuration (B)</p> Signup and view all the answers

What is the primary function of Lewis diagrams in chemistry?

<p>Showing the sharing or transfer of valence electrons between atoms (D)</p> Signup and view all the answers

Which type of bond is crucial in the formation of certain ions and compounds?

<p>Dative Covalent Bonds (B)</p> Signup and view all the answers

In chemistry, what does the presence of lone pairs in molecules primarily affect?

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

What drives some atoms to form multiple bonds with other atoms?

<p>Achieving stable configurations (D)</p> Signup and view all the answers

Which feature of covalent bonds distinguishes triple bonds from single and double bonds?

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

What is the main impact of having filled valence shells on helium's bonding behavior?

<p>It prevents helium from forming bonds when approached (D)</p> Signup and view all the answers

How do single bonds differ from double and triple bonds in covalent bonding?

<p>They involve fewer shared electrons (B)</p> Signup and view all the answers

'Coordinate bonds' refer to a type of bond where:

<p>One atom donates a lone pair to another lacking electrons (A)</p> Signup and view all the answers

Why do atoms bond according to the text?

<p>To mimic the stability of noble gases (D)</p> Signup and view all the answers

What determines whether atoms will bond or not when they approach each other?

<p>The balance of attractive and repulsive forces (B)</p> Signup and view all the answers

How do helium atoms behave when approached for bonding?

<p>They resist bonding due to a full valence shell (D)</p> Signup and view all the answers

What type of bond arises when two hydrogen atoms approach each other?

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

What role do valence electrons play in atomic bonding?

<p>Dictating the chemical behavior of the atom (C)</p> Signup and view all the answers

How do noble gases differ from other elements in terms of reactivity?

<p>They have full valence electron shells (A)</p> Signup and view all the answers

Which factor primarily drives atoms to mimic noble gases' stability in bonding?

<p>Obtaining a full valence electron shell (C)</p> Signup and view all the answers

In atomic bonding, what happens to the energy state of atoms upon formation of a bond?

<p>Energy decreases, making the system more stable (C)</p> Signup and view all the answers

More Like This

Gr 11 Physical Sciences: Term test 2
415 questions
Chemistry: Atomic Structure and Chemical Bonds
13 questions
Atomic Structure and Chemical Bonding
16 questions
Atomic Structure and Chemical Bonding
30 questions
Use Quizgecko on...
Browser
Browser