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 number of protons in the nucleus of an atom
the measurement of the atomic radius of an element
the attraction of a bonded atom for the pair of electrons in a covalent bond
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What factors affect the electronegativity of an atom?
(Select all that apply).
the number of electron shells
the number of protons in the nucleus
the number of neutrons in the nucleus
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Electronegativity across a period and up a group.
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How is electronegativity measured?
by measuring the atomic mass of an element
using the Pauling scale
by calculating the atomic radius of an element
by counting the number of electrons in an atom
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Which element is the most electronegative?
oxygen
chlorine
nitrogen
fluorine
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Which group of elements have the least electronegative atoms?
group 1 metals
transition 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?
ionic bond
polar bond
metallic bond
non-polar bond
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What is the term for the separation of opposite charges in a polar covalent bond?
ion
covalent bond
metallic bond
dipole
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What is the term for a molecule with one permanent dipole?
metallic molecule
ionic molecule
polar molecule
non-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
ionic molecule
polar molecule
metallic molecule
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What is the term for a molecule with more than two polar bonds where the dipoles cancel out?
non-polar molecule
ionic molecule
metallic molecule
polar 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.
nonpolar bonds are arranged symmetrically
polar bonds are arranged asymmetrically
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?
equally
unequally
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What is the difference in electronegativity between atoms forming a purely non-polar covalent bond?
the atoms have a large difference in electronegativity
the atoms have identical electronegativity
the atoms have similar electronegativity
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