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Eighth Grade (Grade 8) Periodic Table and Elements Questions

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Grade 8 Periodic Table and Elements
Which statement is true about the Periodic Table?
  1. The Periodic Table allows you to easily compare the properties of one element to another.
  2. Each horizontal row of the Periodic Table is called a group.
  3. Each vertical column of the Periodic Table is called a period.
  4. All of the above are correct.
Grade 8 Periodic Table and Elements
Which best describes where nonmetals are located on the Periodic Table?
  1. middle
  2. left side
  3. right ride
Grade 8 Periodic Table and Elements
Which group of elements most readily combines with Group 17 elements?
  1. Group 1
  2. Group 17
  3. Group 18
  4. none, as Group 17 is the most stable group
Grade 8 Periodic Table and Elements
Halogens are elements in Group                .
  1. 1
  2. 15
  3. 17
  4. 18
Grade 8 Periodic Table and Elements
An element's properties can be predicted from its                               .
  1. number of isotopes
  2. number of neutrons
  3. atomic mass
  4. location in the Periodic Table
Grade 8 Periodic Table and Elements
On the Periodic Table, you can use group numbers to determine which of the following?
  1. The number of protons of an element
  2. The number of neutrons of an element
  3. The number of valence electrons of an element
  4. The number of isotopes of an element
Grade 8 Periodic Table and Elements
A good conductor of electricity is                .
  1. copper
  2. hydrogen
  3. chloride
  4. neon
Grade 8 Periodic Table and Elements
Sodium is located in Period 3 of the Periodic Table.
  1. True
  2. False
Grade 8 Periodic Table and Elements
Uranium-238 contains 146 neutrons.
  1. True
  2. False
Grade 8 Periodic Table and Elements
Dmitri Mendeleev created the first                  .
  1. chemical reaction
  2. metal alloy
  3. periodic table
  4. semiconductor
Grade 8 Periodic Table and Elements
The number of                   remains the same from top to bottom in a group in the Periodic Table.
  1. protons
  2. valence electrons
  3. electrons
  4. neutrons
Grade 8 Periodic Table and Elements
Which represents a noble gas?
  1. Electron-Dot Diagram - Argon
  2. Electron-Dot Diagram - Lithium
  3. Electron-Dot Diagram - Carbon
  4. Electron-Dot Diagram - Beryllium
Grade 8 Periodic Table and Elements
How many valence electrons in a neutral oxygen atom?
  1. 2
  2. 4
  3. 6
  4. 8
Grade 8 Periodic Table and Elements
How is the Periodic Table of elements arranged?
  1. top to bottom and right to left
  2. top to bottom and left to right
  3. left to right on odd row, and right to left on even rows
  4. right to left on odd rows and left to right on even rows
Grade 8 Periodic Table and Elements
The Periodic Table was developed by                  .
  1. Henry Moseley
  2. Jacques Cousteau
  3. Dimitri Mendeleev
  4. John Rutherford
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