(a)
Interpretation:
The electronic configuration for oxygen atom needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
Answer to Problem 11E
The electronic configuration of oxygen is 1s2 2s2 2p4 and [He] 2s2 2p4.
Explanation of Solution
The
The electronic configuration of oxygen is 1s2 2s2 2p4, [He]2s2 2p4.
(b)
Interpretation:
The electronic configuration for chlorine atom needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
Answer to Problem 11E
The electronic configuration of chlorine is 1s2 2s2 2p63s23p5 and [Ne] 3s23p5.
Explanation of Solution
The atomic number of chlorine is 17. It is located in p block of periodic table. Its position is in group 17 and period 3. In a neutral atom of chlorine there are 17electrons which are located in shells, n = 1, n=2, n=3. The noble gas that comes before chlorine is neon.
The electronic configuration of chlorine is 1s2 2s2 2p63s23p5 and [Ne] 3s23p5.
(c)
Interpretation:
The electronic configuration for iron atom needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
(c)
Answer to Problem 11E
The electronic configuration of iron is 1s2 2s2 2p6 3s2 3p6 4s2 3d6 and [Ar] 4s23d6.
Explanation of Solution
The atomic number of iron is 26. It is located in d block of periodic table. Its position is in group 8 and period 4. In a neutral atom of iron there are 26 electrons which are located in shells, n = 1, n=2, n=3, n=4. The noble gas that comes before iron is argon.
The electronic configuration of iron is 1s2 2s2 2p6 3s2 3p6 4s2 3d6 and [Ar] 4s23d6.
(d)
Interpretation:
The electronic configuration for calcium needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
(d)
Answer to Problem 11E
The electronic configuration of calcium is 1s2 2s2 2p6 3s23p6 4s2 and [Ar] 4s2.
Explanation of Solution
The atomic number of calcium is 20. It is located in s block of periodic table. Its position is in group 2 and period 4. In a neutral atom of calcium there are 20 electrons which are located in shells, n = 1, n=2, n=3, n=4. The noble gas that comes before calcium is argon.
The electronic configuration of calcium is 1s2 2s2 2p6 3s23p6 4s2, [Ar] 4s2.
(e)
Interpretation:
The electronic configuration for Mg needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
(e)
Answer to Problem 11E
The electronic configuration of magnesium is 1s2 2s2 2p6 3s2 and [Ne]3s2.
Explanation of Solution
The atomic number of magnesium is 12. It is located in s block of periodic table. Its position is in group 2 and period 3. In a neutral atom of magnesium there are 12 electrons which are located in shells, n = 1, n=2, n=3. The noble gas that comes before magnesium is neon.
The electronic configuration of magnesium is 1s2 2s2 2p6 3s2 and [Ne]3s2.
(f)
Interpretation:
The electronic configuration for silver needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
(f)
Answer to Problem 11E
The electronic configuration of silver is 1s2 2s2 2p63s23p64s2 3d104p65s24d9 and [Kr]5s24d9.
Explanation of Solution
The atomic number of silver is 47. It is located in d block of periodic table. Its position is in group 11 and period 5. In a neutral atom of silver there are 47 electrons which are located in shells, n = 1, n=2, n=3, n=4, n=5. The noble gas that comes before silver is krypton.
The electronic configuration of silver is 1s2 2s2 2p63s23p64s2 3d104p65s24d9 and [Kr]5s24d9.
(g)
Interpretation:
The electronic configuration for silicon needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
(g)
Answer to Problem 11E
The electronic configuration of silicon is 1s2 2s2 2p6 3s23p2 and [Ne] 3s23p2.
Explanation of Solution
The atomic number of silicon is 14. It is located in p block of periodic table. Its position is in group 14 and period 3. In a neutral atom of silicon there are 14 electrons which are located in shells, n = 1, n=2, n=3, n=4. The noble gas that comes before silicon is neon.
The electronic configuration of silicon is 1s2 2s2 2p6 3s23p2 and [Ne] 3s23p2.
(h)
Interpretation:
The electronic configuration for mercury needs to be written in expanded form and in noble gas shorthand method.
Concept introduction:
Electrons revolve around the nucleus in orbits called shells. The shells are numbered as n = 1, 2, 3, 4…. The shells are divided into subshells. The subshells are referred to as s, p, d, and f subshells. These subshells can have a maximum of 2, 6, 10 and 14 electrons respectively. The electrons can be arranged in a shorthand notation form called electron configuration.
(h)
Answer to Problem 11E
The electronic configuration of mercury is 1s2 2s2 2p63s23p6 3d104s24p64d10 5s25p6 4f14 5d10 6s2 and [Xe] 4f14 5d106s2.
Explanation of Solution
The atomic number of mercury is 80. It is located in d block of periodic table. Its position is in group 12 and period 6. In a neutral atom of mercury there are 80 electrons which are located in shells, n = 1, n=2, n=3, n=4, n=5, n=6. The noble gas that comes before mercury is xenon.
The electronic configuration of mercury is 1s2 2s2 2p63s23p6 3d104s24p64d10 5s25p6 4f14 5d10 6s2 and [Xe] 4f14 5d106s2.
Chapter U1 Solutions
Living By Chemistry: First Edition Textbook
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