The Lewis electron-dot symbols that show the formation of barium bromide from the atoms has to be determined. Concept Introduction: Lewis electron-dot symbols can be used to predict the number of bonds formed by most elements in their compounds. Lewis electron-dot symbol consists of the chemical symbol for an element surrounded by dots that represent its valence electrons. Some features of the Lewis electron-dot symbol are as follows: 1. It is the representation of valence electrons. 2. It allows to keep track of valence electrons during bond formation. 3. It consists of the chemical symbol for the element and a dot for each valence electron. The steps to write Lewis electron-dot symbol are as follows: Step1: In this step, the dots that represent its valence electrons are placed one at a time, around the element’s chemical symbol. The first four dots are placed above, below, to the left, and to the right of the symbol. So, those elements with four or fewer valence electrons have one dot in each position. Step 2: The dots for elements with more than four valence electrons are again placed one by one. The first four valence electrons are paired one by one.

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Bookmarks Profiles Tab Window Help Chemical Formula - Aktiv Che X + → C 11 a app.aktiv.com Google Chrome isn't your default browser Set as default Question 12 of 16 Q Fri Feb 2 Verify it's you New Chrome availabl- Write the balanced molecular chemical equation for the reaction in aqueous solution for mercury(I) nitrate and chromium(VI) sulfate. If no reaction occurs, simply write only NR. Be sure to include the proper phases for all species within the reaction. 3 Hg(NO3)2(aq) + Cг2(SO4)3(aq) → 3 Hg₂SO (s) + 2 Cr(NO3), (aq) ean Ui mate co ence an climate bility inc ulnerabili women, main critic CLIMATE-INI ernational + 10 O 2 W FEB 1 + 4- 3- 2- 2 2 ( 3 4 NS 28 2 ty 56 + 2+ 3+ 4+ 7 8 9 0 5 (s) (1) Ch O 8 9 (g) (aq) Hg NR CI Cr x H₂O A 80 Q A DII A F2 F3 FA F5 F6 F7 F8 F9 #3 EA $ do 50 % 6 CO & 7 E R T Y U 8 ( 9 0 F10 34 F11 川 F12 Subr + delete 0 { P }

Answer 1

Question

Chapter 9, Problem 9.2QE

(a)

Interpretation Introduction

Interpretation:

The Lewis electron-dot symbols that show the formation of barium bromide from the atoms has to be determined.

Concept Introduction:

Lewis electron-dot symbols can be used to predict the number of bonds formed by most elements in their compounds. Lewis electron-dot symbol consists of the chemical symbol for an element surrounded by dots that represent its valence electrons.

Some features of the Lewis electron-dot symbol are as follows:

1. It is the representation of valence electrons.

2. It allows to keep track of valence electrons during bond formation.

3. It consists of the chemical symbol for the element and a dot for each valence electron.

The steps to write Lewis electron-dot symbol are as follows:

Step1: In this step, the dots that represent its valence electrons are placed one at a time, around the element’s chemical symbol. The first four dots are placed above, below, to the left, and to the right of the symbol. So, those elements with four or fewer valence electrons have one dot in each position.

Step 2: The dots for elements with more than four valence electrons are again placed one by one. The first four valence electrons are paired one by one.

(b)

Interpretation Introduction

Interpretation:

The Lewis electron-dot symbols that show the formation of potassium sulfide from the atoms have to be determined.

Concept Introduction:

Refer to part (a).

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Bookmarks Profiles Tab Window Help Chemical Formula - Aktiv Che X + → C 11 a app.aktiv.com Google Chrome isn't your default browser Set as default Question 12 of 16 Q Fri Feb 2 Verify it's you New Chrome availabl- Write the balanced molecular chemical equation for the reaction in aqueous solution for mercury(I) nitrate and chromium(VI) sulfate. If no reaction occurs, simply write only NR. Be sure to include the proper phases for all species within the reaction. 3 Hg(NO3)2(aq) + Cг2(SO4)3(aq) → 3 Hg₂SO (s) + 2 Cr(NO3), (aq) ean Ui mate co ence an climate bility inc ulnerabili women, main critic CLIMATE-INI ernational + 10 O 2 W FEB 1 + 4- 3- 2- 2 2 ( 3 4 NS 28 2 ty 56 + 2+ 3+ 4+ 7 8 9 0 5 (s) (1) Ch O 8 9 (g) (aq) Hg NR CI Cr x H₂O A 80 Q A DII A F2 F3 FA F5 F6 F7 F8 F9 #3 EA $ do 50 % 6 CO & 7 E R T Y U 8 ( 9 0 F10 34 F11 川 F12 Subr + delete 0 { P }

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