Polar Covalent Bonding Question Preview (ID: 59195)


Review Electronegativity And Polar Covalent Bonding. TEACHERS: click here for quick copy question ID numbers.

What is electronegativity?
a) How strongly an atom pulls (attracts) electrons
b) How strongly an atom repels (pushes away) electrons
c) How big an atom is
d) How much energy it takes to pull two atoms apart when they are held together by a covalent bond

What does it mean for a molecule to be POLAR?
a) The molecule has different partial charges on each side but its overall charge is still neutral
b) The molecule has an overall charge
c) The molecule has the same atoms on each side
d) The molecule is made of metals bonded to nonmetals

What is a molecule?
a) Two or more atoms held together by a covalent bond
b) Two or more atoms held together by an ionic bond
c) Two or more atoms held together by a metallic bond
d) Compounds that form of only one type of atom

Which atom is MORE electronegative?
a) H
b) C
c) S
d) F

Which of these molecules will be POLAR?
a) H2
b) O2
c) F2
d) HF

Which of these molecules will be NON-POLAR?
a) HF
b) CCl4
c) Br2
d) HBr

What happens to the electrons in a POLAR covalent bond?
a) The electrons are shared EQUALLY
b) The electrons are pulled closer to the MORE ELECTRONEGATIVE atom
c) The electrons are pulled closer to the LESS ELECTRONEGATIVE atom
d) The electrons are transferred to the nonmetal

What happens to the electrons in a POLAR covalent bond?
a) The electrons are shared EQUALLY
b) The electrons are shared UNEQUALLY
c) The electrons are stolen by the metal to form a cation
d) The electrons are stolen by the metal to form an anion

What happens to the electrons in a NON-POLAR covalent bond?
a) The electrons are shared EQUALLY
b) The electrons are shared UNEQUALLY
c) The electrons are pulled closer to the LESS ELECTRONEGATIVE atom
d) The electrons are pulled closer to the MORE ELECTRONEGATIVE atom

Which of the following atoms are the MOST electronegative?
a) Alkali Metals Only
b) Halogens Only
c) F, Cl, Br, O, N
d) Transition Metals

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