Practice Quiz

MCAS Biology Practice

Category - Chemistry

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Which of the following statements describes the elements in family 16 of the periodic table?
  1. They have six valence electrons.
  2. They are all gases at room temperature.
  3. They exist commonly as cations in nature.
  4. They combine easily with elements in family 17.
Explanation
Answer: A - They have six valence electrons.
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