5.Write the long-hand electron configuration for a carbon atom, and identify the

Question

5.Write the long-hand electron configuration for a carbon atom, and identify the valence electrons. Answer A. 1s2 2s3 2p1 The electrons in the 2s and 1s subshells are the valence electrons. B. 1s2 2s2 2p2 The electrons in the 2s and 2p subshells are the valence electrons. C. 1s2 2s1 2p4 The electrons in the 2s and 2p subshells are the valence electrons. D. 1s2 2s2 2p2 The electrons in the 1s and 2s subshells are the valence electrons. 6.Write the long-hand electron configuration for a fluorine atom, and identify the valence electrons in the configuration. Answer A. 1s2 2s4 2p3 The valence electrons are the electrons in the 2s and 2p subshells. B. 1s2 2s2 2p7 The valence electrons are the electrons in the 2s and 1s subshells. C. 1s2 2s2 2p5 The valence electrons are the electrons in the 2s and 2p subshells. D. 1s2 2s2 2p5 The valence electrons are the electrons in the 1s and 2s subshells.

Explanation / Answer

B. 1s2 2s2 2p2 The electrons in the 2s and 2p subshells are the valence electrons .C. 1s2 2s2 2p5 The valence electrons are the electrons in the 2s and 2p subshells.

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