Test Your Chemistry Knowledge
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Questions and Answers

What is the basis for arranging elements in the periodic table?

  • Number of electrons
  • Atomic weight
  • Number of neutrons
  • Number of protons (correct)

Who developed the first periodic table?

  • Marie Curie
  • Albert Einstein
  • Isaac Newton
  • Dimitri Mendeleev (correct)

What is the purpose of the periodic table?

  • To group elements with similar atomic weights
  • To help chemists think about the elements and their properties (correct)
  • To arrange elements in alphabetical order
  • To determine the number of neutrons in each element

What is the relationship between the atomic number and the arrangement of elements in the periodic table?

<p>Elements are arranged in order of increasing atomic number from left to right in each row. (B)</p> Signup and view all the answers

What was the basis for the periodic table developed by Dimitri Mendeleev?

<p>Atomic weight (D)</p> Signup and view all the answers

What is the purpose of grouping elements in the same column of the periodic table?

<p>To indicate elements that have similar chemical properties. (B)</p> Signup and view all the answers

Which scientist noticed a relationship between the atomic weights and other properties of elements, leading to the development of the periodic table?

<p>Dmitri Mendeleev (D)</p> Signup and view all the answers

What is the basis for arranging elements in the periodic table?

<p>Atomic weight (A)</p> Signup and view all the answers

What is the significance of the columns in the periodic table?

<p>They group elements with similar chemical properties (A)</p> Signup and view all the answers

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