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Question

2 .Many monatomic ions are found in seawater, including the ions formed from the following list of elements. Write the Lewis symbols for the monatomic ions formed from the following elements:

(a) K

(b) Mg

(c) Sr

(d) Br

(e) F

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Answer 1 · 2018-06-23T03:09:19

Here's what I get.

(a) #"K"#

#"K"# is in Group 1. It has one valence electron, so its Lewis structure is #"K·"#

(b) #"Mg"#

#"Mg"# is in Group 2. It has two valence electrons, so its Lewis structure is #"Mg:"#

(c) #"Sr"#

#"Sr"# is in Group 2. It has two valence electrons, so its Lewis structure is #"Sr:"#

(d) #"Br"#

#"Br"# is in Group 17. It has seven valence electrons, so its Lewis structure is

(e) #"F"#

#"F"# is in Group 17. It has seven valence electrons, so its Lewis structure is

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