| Assessment Questions: 18 results |
Atoms,_Molecules_and_Ions : CompareElements (10 Variations)
Which of the following is something that nitrogen and antimony have in common?
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atomic_Structure_and_the_Periodic_Table : CompareElectConfigs (8 Variations) Compare the following two elements, identified by their electron configurations:
A - [Kr]4d95s2 B - [Ar]3d104s24p4
Select the answer(s) that has the correct comparison between elements.
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atomic_Structure_and_the_Periodic_Table : GeneralPeriodicTrends (5 Variations)
Which of the following statements is an INCORRECT description of periodic trends for main group elements?
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atomic_Structure_and_the_Periodic_Table : IonizationEnerTrends (10 Variations)
Which of the following groups of elements is arranged correctly in order of increasing first ionization energy?
Atomic Properties / Structure |
Periodicity / Periodic Table
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Matter_and_Measurement : ElementType (10 Variations) Which of the following are metals?
Periodicity / Periodic Table
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Atoms,_Molecules_and_Ions : ElementGroup (10 Variations)
The element neon is ...
Periodicity / Periodic Table
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Atoms,_Molecules_and_Ions : GeneralPeriodicTable (12 Variations)
Which of the following statements concerning the periodic table is NOT correct?
Periodicity / Periodic Table
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Bonding : Electronegativity (8 Variations)
From the bonds listed below, choose the one in which the highlighted atom is the partially positive end of the bond. (Try to predict electronegativity differences based on positions of the bonded atoms in the periodic table.)
Covalent Bonding |
Periodicity / Periodic Table
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Bonding : MostPolarBond (8 Variations)
From the bonds listed below, choose the one that is the most polar. (Try to predict electronegativity differences based on positions of the bonded atoms in the periodic table.)
Covalent Bonding |
Periodicity / Periodic Table
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Bonding : OrganicBondLength (10 Variations)
1-amino-2-naphthol-6-sulfonic acid is used as a photographic developer. The structure for this compound is shown below, although lone electron pairs are not shown. Which of the following bonds in the structure is the shortest?

Covalent Bonding |
Periodicity / Periodic Table
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Molecular_Structure : AtomFromGeometry (8 Variations) Which atom or atoms could be the central atom, X, in the stable molecule XH3 with one lone pair of electrons?
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atomic_Structure_and_the_Periodic_Table : CompareRadii (10 Variations)
Which of the following have larger radii than a fluorine atom?
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atomic_Structure_and_the_Periodic_Table : ExplainPeriodicTrends (10 Variations)
In an isoelectronic series the ionic radii...
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atomic_Structure_and_the_Periodic_Table : Isoelectronic (4 Variations)
Which of the following atoms or ions does NOT have an electron configuration of [He]2s22p6?
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atoms,_Molecules_and_Ions : IonCharge (12 Variations)
Identify each of the following ions as having the correct or incorrect charge.
Atomic Properties / Structure |
Periodicity / Periodic Table
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Atoms,_Molecules_and_Ions : IonChargeSubatmParts (10 Variations)
What is the charge on an ion that contains 47 protons, 62 neutrons, and 46 electrons?
Atomic Properties / Structure |
Periodicity / Periodic Table
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Reactions : HighOxNumber (10 Variations) In which of the following does sulfur have the highest oxidation number?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
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Reactions : IDOxidationNumber (10 Variations) What is the oxidation number of sulfur in barium sulfate (BaSO4)?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
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