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Ionic and Covalent Bonding: MCQ1

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Questions and Answers

What is an ionic bond?

The formation of sigma bonds between atoms

The unequal sharing of electrons between two atoms

The electrostatic force of attraction between oppositely charged ions (correct)

The sharing of electrons between atoms

Which type of bond is characterized by the sideways overlap of p-orbitals?

Pi bond (correct)

Sigma bond

Ionic bond

Polar covalent bond

What is the term for the number of bonds an atom of an element forms when it reacts?

Ionization energy

Valency (correct)

Electronegativity

Electron affinity

What is the electronic arrangement that atoms tend to reach when bonding occurs, according to the Octet Rule?

Eight electrons in their outermost energy level Signup and view all the answers

Which type of bond is characterized by the unequal sharing of electrons between two atoms?

Polar covalent bond Signup and view all the answers

What is the term for electrons that are not involved in bonding?

Lone pairs Signup and view all the answers

What is the primary reason why covalent compounds do not conduct electricity when molten or in solution?

They do not break up to form ions Signup and view all the answers

What is the result of the electrostatic force of attraction between oppositely charged ions?

An ionic bond Signup and view all the answers

Why do ionic compounds typically have high melting and boiling points?

Because of the strong electrostatic force of attraction between oppositely charged ions Signup and view all the answers

What is the difference between σ and π bonds?

σ bonds are formed by the end-on overlap of orbitals, while π bonds are formed by the sideways overlap of p-orbitals Signup and view all the answers

What is the result of the unequal sharing of electrons between two atoms in a covalent bond?

A polar covalent bond Signup and view all the answers

Why do covalent compounds typically have low melting and boiling points?

Because the bonds between atoms are relatively weak Signup and view all the answers

What is the term for the electrons that are shared in a covalent bond?

Bond pairs Signup and view all the answers