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Seventh Grade (Grade 7) Periodic Table and Elements Questions

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Grade 7 Periodic Table and Elements
Which of these substances is not an element?
  1. water
  2. hydrogen
  3. aluminium
  4. iron
Grade 7 Periodic Table and Elements
What is the Periodic Table?
                                                 
  1. A group of periods
  2. A table that is not often used
  3. An arrangement of elements based on atomic number
  4. A list of elements not yet discovered Mendeleev
Grade 7 Periodic Table and Elements
Periodic means
  1. happening at regular intervals
  2. happening very rarely
  3. happening frequently
  4. happening three or four times a year
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
How many rows and columns are on the periodic table of elements?
  1. 7 rows, 18 columns
  2. 7 rows, 20 columns
  3. 10 rows, 30 columns
  4. 9 rows, 19 columns
Grade 7 Periodic Table and Elements
What scientist invented the periodic table?
  1. Charles Darwin
  2. Albert Einstein
  3. Eli Whitney
  4. Dmitri Mendeleev
Grade 7 Periodic Table and Elements
What is the heaviest element on the periodic table?
  1. hydrogen
  2. Ununoctium
  3. Nitrogen
  4. Aluminum
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
The atoms of elements in Group 17 of the periodic table are very reactive. Which of the following best describes the energy transfers that happen with the elements in this group?
  1. The more easily an atom loses an electron, the less energy the atom releases.
  2. The more easily an atom gains an electron, the less energy the atom releases.
  3. The more easily an atom loses an electron, the more energy the atom releases.
  4. The more easily an atom gains an electron, the more energy the atom releases.
Grade 7 Periodic Table and Elements
Grade 7 Periodic Table and Elements
What does the atomic number tell us?
  1. The number of protons and neutrons
  2. The number of positives and neutrals
  3. the number of protons and electrons
  4. the number of protons OR electrons
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