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The electron configuration of each of magnesium atom and chlorine atom is: Mg:K’L"M² Cl:K²L"M² 1- Identify the placement, row, column (group) of magnesium and chlorie atom in the periodic table. 2- Write the lewis electron-dot symbol of each of the mentioned atoms. 3- A magnesium atom loses 2 electrons to achieve stability and a magnesium ion is obtained: Translate this statement into an equation form. a.

The electron configuration of each of magnesium atom and chlorine atom is: Mg:K’L"M² Cl:K²L"M² 1- Identify the placement, row, column (group) of magnesium and chlorie atom in the periodic table. 2- Write the lewis electron-dot symbol of each of the mentioned atoms. 3- A magnesium atom loses 2 electrons to achieve stability and a magnesium ion is obtained: Translate this statement into an equation form. a.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Ex: 7 The electron configuration of each of magnesium atom and chlorine atom is: Mg:K’L*M² Cl:K²L"M" 1- Identify the placement, row, column (group) of magnesium and chlorine atom in the periodic table. 2- Write the lewis electron-dot symbol of each of the mentioned atoms. 3- A magnesium atom loses 2 electrons to achieve stability and a magnesium ion is obtained: a. Translate this statement into an equation form. b. Justify by calculation, why magnesium ion has a +2 charge. Relative charge of each proton: +1. Relative charge of each electron: -1. 4- Explai the bond formation in magnesium chloride and indicate the type of bond. 5- Write the lewis dot structure of magnesium chloride after writing the molecular formula of it, Ex: 8 The lewis electron dot symbol of an atom "X" shows that it has 3 lone pairs of electrons and 1 sigle electron. Atom "X" has a total umber of electrons less than 18. 1- Referring to the periodic table determine the possible atomic numbers of the element "X"." 2- Give the possible electron configuration of element "X". 3- Determine the valence electron, valency of"X". 4- Knowing that "X" belongs to row 3.determine the atomic number of"X" 5- Give the name of "X". 6- Element "X" forms with hydrogen a diatomic molecule, give the formula of the obtained molecule. 7- Explain the bond formation between hydrogen and X. 8- Write the lewis dot structure of the above molecule. Ex: 9 The molecular formula of ethanol is C¿H¾OH: Give the electron configuration and write the lewis electron dot symbol of the atoms constituting this molecule. 1- 2- Indicate the valence electron of the atoms constituting this molecule. 3- Write the lewis dot structure of C2HsOH (2 possibilities). 4- Indicate the type of bond between carbon and oxygen in ethanol. Given: C (Z: 6) Ex: 10 Use the diagrams of atomic bonding to answer the following questions: H (Z: 1) O (Z: 8) Figure 1 Figure 2 Coding of atoms Figure 3 shared e's carbon florine O hydrogen - H 1- Write thc molecular formula of each compound in the above figures. 2- Which diagram shows a covalent bond? And which shows an ionic bond? 3- Write the lewis dot structure of the compound in figure "1".in another Na way. 4- Referring to figure "3": a. Deduce the valence electron of carbon atom. b. Deduce valency of florine atom. 5- Based on figure"1"and figure"3", define covalent bond and ionic bond. 6- Explain based on figure "1" and figure "2" how florine atom attain stable octet? Ex: 11 An atom "X" belongs to the second column in the periodic table and atom "Y" belongs to column 16. 1- Indicate the number ofelectrons on the outer energy level for "X" and "Y". 2- Write the electron configuration of "X" and "Y" knowing that atom "X" belongs to row 3 and atom "Y" belongs to row 2. 3- Indicate the atomic number of "X" and "Y"? Give the symbol of each. 4- Which element "X" or "Y" has the ability to form a molecular element. Give 5- the valence and write the lewis electron-dot symbol for this element. 6- Write the lewis dot structure, chemical formula and give the name of this molecular element. 7- Specify the nature of bond between "X" and "Y". 8- Write lewis dot structure of the compound formed between "X" and "Y".
Transcribed Image Text:Ex: 7 The electron configuration of each of magnesium atom and chlorine atom is: Mg:K’L*M² Cl:K²L"M" 1- Identify the placement, row, column (group) of magnesium and chlorine atom in the periodic table. 2- Write the lewis electron-dot symbol of each of the mentioned atoms. 3- A magnesium atom loses 2 electrons to achieve stability and a magnesium ion is obtained: a. Translate this statement into an equation form. b. Justify by calculation, why magnesium ion has a +2 charge. Relative charge of each proton: +1. Relative charge of each electron: -1. 4- Explai the bond formation in magnesium chloride and indicate the type of bond. 5- Write the lewis dot structure of magnesium chloride after writing the molecular formula of it, Ex: 8 The lewis electron dot symbol of an atom "X" shows that it has 3 lone pairs of electrons and 1 sigle electron. Atom "X" has a total umber of electrons less than 18. 1- Referring to the periodic table determine the possible atomic numbers of the element "X"." 2- Give the possible electron configuration of element "X". 3- Determine the valence electron, valency of"X". 4- Knowing that "X" belongs to row 3.determine the atomic number of"X" 5- Give the name of "X". 6- Element "X" forms with hydrogen a diatomic molecule, give the formula of the obtained molecule. 7- Explain the bond formation between hydrogen and X. 8- Write the lewis dot structure of the above molecule. Ex: 9 The molecular formula of ethanol is C¿H¾OH: Give the electron configuration and write the lewis electron dot symbol of the atoms constituting this molecule. 1- 2- Indicate the valence electron of the atoms constituting this molecule. 3- Write the lewis dot structure of C2HsOH (2 possibilities). 4- Indicate the type of bond between carbon and oxygen in ethanol. Given: C (Z: 6) Ex: 10 Use the diagrams of atomic bonding to answer the following questions: H (Z: 1) O (Z: 8) Figure 1 Figure 2 Coding of atoms Figure 3 shared e's carbon florine O hydrogen - H 1- Write thc molecular formula of each compound in the above figures. 2- Which diagram shows a covalent bond? And which shows an ionic bond? 3- Write the lewis dot structure of the compound in figure "1".in another Na way. 4- Referring to figure "3": a. Deduce the valence electron of carbon atom. b. Deduce valency of florine atom. 5- Based on figure"1"and figure"3", define covalent bond and ionic bond. 6- Explain based on figure "1" and figure "2" how florine atom attain stable octet? Ex: 11 An atom "X" belongs to the second column in the periodic table and atom "Y" belongs to column 16. 1- Indicate the number ofelectrons on the outer energy level for "X" and "Y". 2- Write the electron configuration of "X" and "Y" knowing that atom "X" belongs to row 3 and atom "Y" belongs to row 2. 3- Indicate the atomic number of "X" and "Y"? Give the symbol of each. 4- Which element "X" or "Y" has the ability to form a molecular element. Give 5- the valence and write the lewis electron-dot symbol for this element. 6- Write the lewis dot structure, chemical formula and give the name of this molecular element. 7- Specify the nature of bond between "X" and "Y". 8- Write lewis dot structure of the compound formed between "X" and "Y".
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