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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
Grade 9 Periodic Table and Elements
An element is a substance that
  1. exists naturally as a solid, liquid, and gas.
  2. cannot be broken down into simpler substances.
  3. is above 86 on the periodic table.
  4. can be broken down only by chemical means.
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Isotopes are atoms of an element
  1. with the same number of electrons but different numbers of protons.
  2. that are radioactive.
  3. with a magnetic charge.
  4. with the same number of protons but different number of neutrons.
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
W is the symbol for which element?
  1. Xenon
  2. Iridium
  3. Tungsten
  4. Lawrencium
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Rn is the symbol for which element?
  1. Radon
  2. Radium
  3. Rhenium
  4. Rhodium
Grade 9 Periodic Table and Elements
Grade 9 Periodic Table and Elements
Which element is the lightest?
  1. sodium
  2. oxygen
  3. hydrogen
  4. chlorine
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