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Eleventh Grade (Grade 11) Atomic Structure Questions

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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
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
Which ion's configuration matches that of the noble gas whose electron-dot diagram is below?
Electron-Dot Diagram - Argon
  1. [math]"N"^"3-"[/math]
  2. [math]"Rb"^"+"[/math]
  3. [math]"Ca"^"2+"[/math]
  4. None of the above
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][math]4s^2 3d^10 4p^4[/math]
  2. [Ne][math]3s^2 3p^6[/math]
  3. [Ne][math]3s^2 3p^5[/math]
  4. [Ne][math]3s^2 3p^4[/math]
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
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
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
Which represents a correct electron configuration for a zinc atom?
  1. [math]1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^8[/math]
  2. [math]1s^2 2s^2 3s^2 4s^2 2p^6 3p^6 3d^10[/math]
  3. [math]1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10[/math]
  4. [math]1s^2 2s^2 2p^5 3s^2 3p^6 4s^2 3d^10 4p^1[/math]
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
The electron-dot diagram below represents which of the following?
Electron-Dot Diagram - Sodium
  1. All of the electrons in sodium
  2. The valence electrons in sodium
  3. The electrons in the first energy level
  4. None of the above
Grade 11 Atomic Structure
In which group would you place the element below?
Electron-Dot Diagram - Chlorine
  1. Group 1
  2. Group 7
  3. Group 17
  4. Group 18
Grade 11 Atomic Structure

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

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