Welcome to the Quiz!
This quiz contains 17 questions from a mix of 1 subtopics.
What is electronegativity?
the number of neutrons in the nucleus of an atom
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
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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 counting the number of electrons in an atom
using the Pauling scale
by calculating the atomic radius of an element
by measuring the atomic mass of an element
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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?
group 7 halogens
group 1 metals
transition metals
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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
ionic bond
metallic bond
polar bond
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What is the term for the separation of opposite charges in a polar covalent bond?
covalent bond
metallic bond
dipole
ion
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What is the term for a molecule with one permanent dipole?
non-polar molecule
metallic molecule
ionic molecule
polar molecule
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What is the term for a molecule with more than two polar bonds where the dipoles reinforce one another?
non-polar molecule
metallic molecule
ionic molecule
polar molecule
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What is the term for a molecule with more than two polar bonds where the dipoles cancel out?
polar molecule
non-polar molecule
ionic molecule
metallic molecule
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What is the difference in electronegativity between atoms forming an ionic bond?
the atoms have a large difference in electronegativity
the atoms have similar electronegativity
the atoms have identical 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
polar bonds are arranged symmetrically
nonpolar bonds are arranged asymmetrically
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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 similar electronegativity
the atoms have a large difference in electronegativity
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