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Ninth Grade (Grade 9) Periodic Table and Elements Questions

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Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Mendeleev arranged the elements in his Periodic Table in order of
  1. increasing atomic mass
  2. increasing number of electrons
  3. increasing atomic number
  4. increased number of neutrons
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Which of the following statements is true about the Periodic Table?
  1. Most elements are nonmetals
  2. Most elements are gas
  3. Most elements are metals
  4. Most elements are liquids
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Which of the following elements are in the same period?
  1. Kr, Zn, Ag, Cl
  2. Be, C, N, O
  3. Na, Mg, Al, Ne
  4. He, Ne, Ar, Kr
Grade 9 Periodic Table and Elements
Which of the following statements about periods is true?
  1. Periods are in vertical groups
  2. Periods indicate the number of energy levels
  3. Periods indicate chemical properties of elements
  4. There are 18 periods
Grade 9 Periodic Table and Elements
the number of protons in an atom is called
  1. atomic number
  2. atomic mass
  3. atomic weight
Grade 9 Periodic Table and Elements
Which of the following best defines an element?
  1. A pure substance composed of a single type of atom.
  2. A pure substance with a particular set of properties
  3. A mixture composed of 2 simple substances
  4. A homogeneous mixture with minute particles
  5. A substance made by chemically bonding 2 different substances
Grade 9 Periodic Table and Elements
Which is NOT a property of a metal?
  1. Luster
  2. Ductile
  3. Poor conductor
  4. Malleable
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Horizontal row on the periodic table
  1. groups
  2. families
  3. periods
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