Electronegativity and the Continuum of Chemical Bonding (LC 2027) (Leaving Cert Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What does electronegativity measure in a covalent bond?
What does electronegativity measure in a covalent bond?
Atom's attraction for shared electrons
In which decade did Linus Pauling develop the electronegativity scale?
In which decade did Linus Pauling develop the electronegativity scale?
1930s
Which element has the highest electronegativity value?
Which element has the highest electronegativity value?
Fluorine
What does the symbol (delta) represent in a polar covalent bond?
What does the symbol (delta) represent in a polar covalent bond?
Partial charge
When do pure covalent bonds occur?
When do pure covalent bonds occur?
When atoms are identical
What electronegativity difference range indicates polar covalent bonding?
What electronegativity difference range indicates polar covalent bonding?
0.5 to 1.7
What type of bonding occurs when electronegativity difference is above 1.7?
What type of bonding occurs when electronegativity difference is above 1.7?
Ionic bonding
What is the bond type in with electronegativity difference of 1.24?
What is the bond type in with electronegativity difference of 1.24?
Highly polar covalent
What two conditions must be met for a molecule to be polar?
What two conditions must be met for a molecule to be polar?
Polar bonds AND asymmetrical shape
Why is non-polar despite having slightly polar bonds?
Why is non-polar despite having slightly polar bonds?
It is symmetrical
What happens to a stream of polar liquid near a charged rod?
What happens to a stream of polar liquid near a charged rod?
Bends towards the rod
Why do microwave ovens work to heat food?
Why do microwave ovens work to heat food?
Polar water molecules align with waves