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- Basic Math and Science Atomic Structure and Bonding Questions and Answers Flashcards

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

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  1. What subatomic particle has a negative charge and orbits the nucleus?

    Answer: Electron

    Electrons carry a negative charge and are found in orbitals around the nucleus.

  2. How many electrons can the second energy level (n=2) hold?

    Answer: 8

    The formula 2n² gives the maximum electrons per level. For n=2: 2(4) = 8.

  3. What type of bond forms when atoms share electrons?

    Answer: Covalent bond

    Covalent bonds form when two atoms share one or more pairs of electrons.

  4. What is the atomic number of an element?

    Answer: The number of protons in its nucleus

    The atomic number equals the number of protons, which defines the element.

  5. Which of the following is an example of an ionic compound?

    Answer: NaCl (sodium chloride)

    NaCl forms when sodium transfers an electron to chlorine, creating Na⁺ and Cl⁻ ions.

  6. What does the octet rule state?

    Answer: Atoms tend to gain, lose, or share electrons to have 8 valence electrons

    The octet rule describes atoms' tendency to achieve 8 electrons in their outermost shell for stability.