Welcome to the Quiz!
This quiz contains 17 questions from a mix of 1 subtopics.
What is electronegativity?
the attraction of a bonded atom for the pair of electrons in a covalent bond
the number of protons in the nucleus of an atom
the measurement of the atomic radius of an element
the number of neutrons in the nucleus of an atom
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What factors affect the electronegativity of an atom?
(Select all that apply).
the number of neutrons in the nucleus
the number of protons in the nucleus
the number of electron shells
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Electronegativity across a period and up a group.
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How is electronegativity measured?
by calculating the atomic radius of an element
using the Pauling scale
by measuring the atomic mass of an element
by counting the number of electrons in an atom
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Which element is the most electronegative?
chlorine
oxygen
fluorine
nitrogen
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Which group of elements have the least electronegative atoms?
transition metals
group 1 metals
group 7 halogens
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What is the term for a bond where the bonded electron pair is shared equally between the bonded atoms?
non-polar bond
metallic bond
polar bond
ionic bond
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What is the term for the separation of opposite charges in a polar covalent bond?
dipole
covalent bond
metallic bond
ion
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What is the term for a molecule with one permanent dipole?
polar molecule
metallic molecule
non-polar molecule
ionic molecule
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What is the term for a molecule with more than two polar bonds where the dipoles reinforce one another?
metallic molecule
polar molecule
non-polar molecule
ionic molecule
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What is the term for a molecule with more than two polar bonds where the dipoles cancel out?
ionic molecule
metallic molecule
polar molecule
non-polar molecule
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What is the difference in electronegativity between atoms forming an ionic bond?
the atoms have identical electronegativity
the atoms have similar electronegativity
the atoms have a large difference in electronegativity
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What is the charge on the oxygen atom of a water molecule, H2O?
+
-
δ-
δ+
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What is the charge on the hydrogen atoms of a water molecule, H2O?
+
δ-
δ+
-
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Describe the arrangement of polar bonds in a polar molecule.
polar bonds are arranged asymmetrically
nonpolar bonds are arranged symmetrically
nonpolar bonds are arranged asymmetrically
polar bonds are arranged symmetrically
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How is the electron density shared between the two bonding atoms in a non-polar covalent bond?
unequally
equally
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What is the difference in electronegativity between atoms forming a purely non-polar covalent bond?
the atoms have identical electronegativity
the atoms have a large difference in electronegativity
the atoms have similar electronegativity
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