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Eleventh Grade (Grade 11) Atomic Structure Questions

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Grade 11 Atomic Structure
In the Bohr model,                                                            .
  1. the electrons stay in place
  2. the elections travel around the nucleus in an oval orbit
  3. the electrons travel around the nucleus in a circular orbit
  4. the electrons move side to side around the nucleus
  5. none of the above
Grade 11 Atomic Structure
Ionization energy trends                                                             .
  1. becomes greater up and to the right of the periodic table.
  2. becomes greater up and to the left of the periodic table.
  3. becomes greater down and to the right of the periodic table.
  4. becomes greater down and to the left of the periodic table.
Grade 11 Atomic Structure
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
  1. Hund’s Rule
  2. Pauli Exclusion Principle
  3. Aufbau Principle
  4. None of the above
Grade 11 Atomic Structure
A negatively charged ion is called                .
  1. cation
  2. anion
  3. proton
  4. neutron
Grade 11 Atomic Structure
In an electron configuration, what follows 4s?
  1. 4p
  2. 4s
  3. 3d
  4. 2f
Grade 11 Atomic Structure
In chemistry, we describe an atom as
  1. the tiniest unit of matter that keeps its characteristic chemical identity.
  2. the simplest unit of a compound.
  3. always being made up of carbon.
  4. being smaller than an electron.
Grade 11 Atomic Structure
Dalton reintroduced the concept of the atom and created                           which was the basic concept of the molecule.
  1. Dalton's Molecular Theory
  2. Dalton's Atomic Theory
  3. Modern Atomic Theory
  4. Dalton's Modern Theory
Grade 11 Atomic Structure
Which ion's configuration matches that of the noble gas whose electron-dot diagram is below?
Electron-Dot Diagram - Argon
  1. N3-
  2. Rb+
  3. Ca2+
  4. None of the above
Grade 11 Atomic Structure
An atom's mass number mathematically equals
  1. the total number of protons plus neutrons.
  2. the total number of protons.
  3. the total number of neutrons.
  4. the total number of protons plus electrons.
Grade 11 Atomic Structure
What is true about the following element?
Electron-Dot Diagram - Aluminum
  1. It gains 3 valence electrons to form an ion.
  2. It loses 5 valence electrons to form an ion.
  3. It loses 3 valence electrons to form an ion.
  4. It gains 5 valence electrons to form an ion.
Grade 11 Atomic Structure

This question is a part of a group with common instructions. View group »

Which represents a correct electron configuration for a chlorine atom?
  1. [Ar]4s23d104p4
  2. [Ne]3s23p6
  3. [Ne]3s23p5
  4. [Ne]3s23p4
Grade 11 Atomic Structure
Given the number of valence electrons shown in the diagram, what can you conclude about this element?
Electron-Dot Diagram - Neon
  1. It is nonreactive.
  2. It only reacts with elements with 6 valence electrons.
  3. It is reactive with elements that have 1 valence electron.
  4. None of the above
Grade 11 Atomic Structure
Atomic radii trends is                                                                                                                           .
  1. generally decrease along each period of the table, from the alkali metals to the noble gases; and increase down each group
  2. generally increase along each period of the table, from the alkali metals to the noble gases; and decrease down each group
  3. generally increase along each period of the table, from the alkali metals to the noble gases; and increase down each group
  4. generally decrease along each period of the table, from the alkali metals to the noble gases; and decrease down each group
Grade 11 Atomic Structure
What does Pauli exclusion principle state?
  1. a maximum of two electrons can occupy a single atomic orbital, but if only if the electros have opposite spins
  2. single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals
  3. each electron occupies the lowest energy orbital available
  4. none of the above
Grade 11 Atomic Structure
Which scientist was able to successfully isolate the nucleus in 1911 via the gold foil experiment?
  1. J. J. Thomson
  2. Robert Millikan
  3. Niels Bohr
  4. Ernest Rutherford
Grade 11 Atomic Structure

This question is a part of a group with common instructions. View group »

If an atom loses one or more electrons, the atom becomes a(n)
  1. positive ion.
  2. negative ion.
  3. different element.
  4. isotope.
Grade 11 Atomic Structure
Which represents a correct electron configuration for a zinc atom?
  1. 1s22s22p63s23p64s23d8
  2. 1s22s23s24s22p63p63d10
  3. 1s22s22p63s23p64s23d10
  4. 1s22s22p53s23p64s23d104p1
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