By using some examples, the valence electrons of some elements should be derived with the help of the location of element in the periodic table. Concept Introduction: Periodic table shows the arrangement of elements in order of increasing atomic number . The horizontal rows are periods and vertical rows, or columns are groups. The elements are represented by symbols with atomic number and atomic mass . The element is in its most stable state as it is represented in the periodic table. The group number helps in identifying the valance electrons and some properties of the element. There are four blocks in which elements are categorized in the periodic table and they help in writing electron configuration of most of the elements. Electron configuration describes the arrangement of electrons within the orbitals and sub orbitals of an atom. Valence-electron configuration is how electrons are arranged in the outermost shell.

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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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Chapter 12, Problem 26CR

Interpretation Introduction

Interpretation:

By using some examples, the valence electrons of some elements should be derived with the help of the location of element in the periodic table.

Concept Introduction:

Periodic table shows the arrangement of elements in order of increasing atomic number. The horizontal rows are periods and vertical rows, or columns are groups. The elements are represented by symbols with atomic number and atomic mass. The element is in its most stable state as it is represented in the periodic table. The group number helps in identifying the valance electrons and some properties of the element.

There are four blocks in which elements are categorized in the periodic table and they help in writing electron configuration of most of the elements.

Electron configuration describes the arrangement of electrons within the orbitals and sub orbitals of an atom. Valence-electron configuration is how electrons are arranged in the outermost shell.

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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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