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Chemistry Practice Test Flashcards

7 cards from real ATI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Chemistry Practice Test flashcards as text

  1. What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-4 M?

    Answer: 4

    pH equals the negative log of [H+], so -log(1x10^-4) = 4.

  2. Which type of bond forms when electrons are transferred from a metal to a nonmetal?

    Answer: Ionic

    Ionic bonds form when electrons transfer from a metal to a nonmetal, creating charged ions.

  3. What is the atomic number of an element determined by?

    Answer: Number of protons

    The atomic number equals the number of protons in an atom's nucleus.

  4. A solution with a pH of 9 is best described as:

    Answer: Basic

    A pH above 7 indicates a basic (alkaline) solution.

  5. Which subatomic particle has a negative charge?

    Answer: Electron

    Electrons carry a negative charge and orbit the nucleus.

  6. What is the name of the process by which a solid changes directly into a gas?

    Answer: Sublimation

    Sublimation is the direct transition of a solid to a gas without becoming liquid.

  7. In the formula H2O, the subscript 2 indicates:

    Answer: Two hydrogen atoms

    The subscript 2 shows there are two hydrogen atoms in each water molecule.