Write the Lewis dot symbol for each of the following atoms. Then, identify how many valence electrons each atom must gain, lose, and/or share to obtain a full outer electron shell. (a) sodium (Na; atomic number 11) Na Na Na • Na • • Na • • Na Na Na Sodium has valence electron(s). If it loses electron(s) or it gains or shares electron(s), it would have a full octet. (b) xenon (Xe; atomic number 54) Хе Хе Хе Xe • Xe Хе Хе Xenon already has valence electrons, so it ---Select--- O need to lose any electrons, and it ---Select--- 0 need to gain or share any electrons.

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Write the Lewis dot symbol for each of the following atoms. Then, identify how many valence electrons each atom must gain, lose, and/or share to obtain a full outer electron shell.
(a) sodium (Na; atomic number 11)
Na
Na
Na •
• Na
•.
..
•.
Na
Na •
Na
Na
•.
•.
Sodium has
valence electron(s). If it loses
electron(s) or it gains or shares
electron(s), it would have a full octet.
(b) xenon (Xe; atomic number 54)
Xe
Xe
Xe
• Xe •
•.
..
• Xe •
Xe •
Хе
: Xe
..
Xenon already has
valence electrons, so it ---Select---
O need to lose any electrons, and it ---Select---
O need to gain or share any electrons.
Transcribed Image Text:Write the Lewis dot symbol for each of the following atoms. Then, identify how many valence electrons each atom must gain, lose, and/or share to obtain a full outer electron shell. (a) sodium (Na; atomic number 11) Na Na Na • • Na •. .. •. Na Na • Na Na •. •. Sodium has valence electron(s). If it loses electron(s) or it gains or shares electron(s), it would have a full octet. (b) xenon (Xe; atomic number 54) Xe Xe Xe • Xe • •. .. • Xe • Xe • Хе : Xe .. Xenon already has valence electrons, so it ---Select--- O need to lose any electrons, and it ---Select--- O need to gain or share any electrons.
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