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Bell Ringer #4

Bell Ringer #4. Feb 1-2. Question #1.

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Bell Ringer #4

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  1. Bell Ringer #4 Feb 1-2

  2. Question #1 • You are trying to identify whether an unknown substance is an acid or a base. You have blue litmus paper, which you dip into your solution. After you take out the litmus paper you allow it to dry and it turns red. What type of solution do you have? An acid, base or neutral substance

  3. Question #2 • Identify the following as an acid or a base: • pH= 8.2 • pH= 2.1 • Urine • Soda

  4. Question #3 • An element is discovered that has an atomic number of118 and 8 valence electrons. The element is most likely — • A a noble gas • B an alkali metal • C a halogen • D a transition metal

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