Valence electrons Original Scenario-Based Practice

Chemistry · Atomic Structure · Chemistry · Electrons in Atoms

1 Chemistry practice questions on Valence electrons. Questions built around original scenarios.

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Questions

  1. 1.

    A deep-space probe analyzes a crystalline mineral from an uncharted asteroid and detects a neutral atom whose electron configuration is 1s22s22p63s23p41s^2 2s^2 2p^6 3s^2 3p^4. The mission's automated synthesizer must determine how many valence electrons this atom possesses to predict its bonding capacity in constructing novel polymers. How many valence electrons does this alien atom have available for chemical bonding?

    • A) 6
    • B) 4
    • C) 16
    • D) 2

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