vi. Answer true or false. (a) Elements in the same column of the Periodic Table have the same outer-shell electron configuration. (b) All Group 1A elements have one electron in their valence shell. (c) All Group 6A elements have six electrons in their valence shell. (d) All Group 8A elements have eight electrons in their valence shell. (e) Period 1 of the Periodic Table has one element, period 2 has two elements, period 3 has three elements, and so forth. () Period 2 results from filling the 2s and 2p orbitals and, therefore, there are eight elements in period 2. (g) Period 3 results from filling the 3s, 3p, and 3d orbitals and, therefore, there are nine elements in period 3. (h) The main-group elements are s block and p block elements.
vi. Answer true or false. (a) Elements in the same column of the Periodic Table have the same outer-shell electron configuration. (b) All Group 1A elements have one electron in their valence shell. (c) All Group 6A elements have six electrons in their valence shell. (d) All Group 8A elements have eight electrons in their valence shell. (e) Period 1 of the Periodic Table has one element, period 2 has two elements, period 3 has three elements, and so forth. () Period 2 results from filling the 2s and 2p orbitals and, therefore, there are eight elements in period 2. (g) Period 3 results from filling the 3s, 3p, and 3d orbitals and, therefore, there are nine elements in period 3. (h) The main-group elements are s block and p block elements.
Chapter3: Electronic Structure And The Periodic Law
Section: Chapter Questions
Problem 3.7E
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Transcribed Image Text:vi. Answer true or false.
(a) Elements in the same column of the Periodic Table have the
same outer-shell electron configuration.
(b) All Group 1A elements have one electron in their valence
shell.
(c) All Group 6A elements have six electrons in their valence
shell.
(d) All Group 8A elements have eight electrons in their valence
shell.
(e) Period 1 of the Periodic Table has one element, period 2 has
two elements, period 3 has three elements, and so forth.
(1) Period 2 results from filling the 2s and 2p orbitals and,
therefore, there are eight elements in period 2.
(g) Period 3 results from filling the 3s, 3p, and 3d orbitals and,
therefore, there are nine elements in period 3.
(h) The main-group elements are s block and p block elements.
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