Periodic Table Information Quiz

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Questions and Answers

What is the main purpose of the periodic table of elements?

  • To list elements alphabetically
  • To organize elements based on atomic number
  • To predict physical and chemical properties of elements (correct)
  • To show the colors of different elements

How many naturally occurring elements have scientists identified?

  • 46
  • 10
  • 118
  • 90 (correct)

Which element is the most abundant based on the given percentages?

  • Silicon
  • Aluminum
  • Oxygen (correct)
  • Iron

Why is understanding the periodic table important according to the text?

<p>To predict how elements will chemically react (A)</p> Signup and view all the answers

What does the atomic number of an element represent?

<p>The number of protons in the nucleus (D)</p> Signup and view all the answers

How is atomic mass calculated?

<p>By adding the number of protons with the number of neutrons (C)</p> Signup and view all the answers

Which subatomic particle is responsible for the majority of an atom's mass?

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

What is the main distinguishing feature of elements within a period on the periodic table?

<p>They have similar properties (C)</p> Signup and view all the answers

Which group of elements on the periodic table has 1 valence electron and is known to be very reactive?

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

Which series of elements consists of shiny reactive metals that are most commonly found in nature?

<p>Lanthanide Series (A)</p> Signup and view all the answers

Which group of elements in the periodic table is characterized by having 8 valence electrons, except for one element with only 2 valence electrons?

<p>Noble Gases (B)</p> Signup and view all the answers

Which category of elements includes non-reactive (inert) gases that have a completely filled outer electron shell?

<p>Transition Metals (A)</p> Signup and view all the answers

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