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Eighth Grade (Grade 8) Periodic Table and Elements Questions

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Grade 8 Periodic Table and Elements
The number of protons in the nucleus of an atom of that element is                .
  1. atomic number
  2. atomic weight
  3. mass number
  4. isotopes
Grade 8 Periodic Table and Elements
In the modern Periodic Table, elements are arranged
  1. according to atomic mass.
  2. according to atomic number.
  3. in alphabetical order.
  4. according to the number of neutrons in their nuclei.
Grade 8 Periodic Table and Elements
Which best describes oxygen?
  1. Oxygen is a halogen.
  2. Oxygen is a nonmetal.
  3. Oxygen is a noble gas.
  4. Oxygen is a rare earth element.
Grade 8 Periodic Table and Elements
The atomic number of an atom is determined by the number of                .
  1. protons
  2. neutrons
  3. electrons
  4. isotopes
Grade 8 Periodic Table and Elements
The Periodic Table has 7 groups.
  1. True
  2. False
Grade 8 Periodic Table and Elements
How many neutrons in an atom of chlorine?
  1. 16
  2. 17
  3. 18
  4. 35
Grade 8 Periodic Table and Elements
What is Cu?
  1. Copper
  2. Zinc
Grade 8 Periodic Table and Elements

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

The Periodic Table is organized so the periods are numbered and run
  1. horizontally.
  2. vertically.
  3. diagonally.
  4. in a figure eight.
Grade 8 Periodic Table and Elements
The symbol for tin is Sb.
  1. True
  2. False
Grade 8 Periodic Table and Elements
What is the atomic number of hydrogen?
  1. 0
  2. 1
  3. 2
  4. 3
Grade 8 Periodic Table and Elements
Copper is located in Group 4 and Period 11 of the periodic table.
  1. True
  2. False
Grade 8 Periodic Table and Elements
The first Periodic Table was organized by                .
  1. atomic number
  2. atomic mass
  3. chemical symbol
Grade 8 Periodic Table and Elements
Gold's atomic number is 79.
  1. True
  2. False
Grade 8 Periodic Table and Elements
Which element has 4 neutrons?
  1. an element with an atomic number of 2 and an atomic mass of 4
  2. an element with an atomic number of 3 and an atomic mass of 7
  3. an element with an atomic number of 4 and an atomic mass of 9
  4. an element with an atomic number of 7 and an atomic mass of 14
Grade 8 Periodic Table and Elements
The modern Periodic Table is organized by                .
  1. atomic number
  2. atomic mass
  3. chemical symbol
Grade 8 Periodic Table and Elements
Mercury is a metalloid.
  1. True
  2. False
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