(a)
Interpretation: The number of electrons gained by nitrogen atom to get a stable electron configuration needs to be determined.
Concept Introduction: A stable electron configuration has a complete octet. To achieve a stable electron configuration, an atom of an element can gain or lose electron/s. The number of electrons lost or gained by an atom is the charge on that atom.
(a)
Answer to Problem 34A
The number of electrons gained by a nitrogen atom is 3.
Explanation of Solution
The
Thus, it has 5 valance electrons. To achieve a stable electron configuration or to complete an octet, nitrogen can gain 3 electrons.
Thus, the number of electrons gained by a nitrogen atom is 3.
(b)
Interpretation: The number of electrons gained by sulphur atoms to get a stable electron configuration needs to be determined.
Concept Introduction: A stable electron configuration has a complete octet. To achieve a stable electron configuration, an atom of an element can gain or lose electron/s. The number of electrons lost or gained by an atom is the charge on that atom.
(b)
Answer to Problem 34A
The number of electrons gained by a sulphur atom is 2.
Explanation of Solution
The atomic number of sulphur element is 16. The electronic configuration of S is as follows:
Thus, it has 6 valance electrons. To achieve a stable electron configuration or to complete an octet, sulphur can gain 2 electrons.
Thus, the number of electrons gained by a sulphur atom is 2.
(c)
Interpretation: The number of electrons gained by chlorine atom to get a stable electron configuration needs to be determined.
Concept Introduction: A stable electron configuration has a complete octet. To achieve a stable electron configuration, an atom of an element can gain or lose electron/s. The number of electrons lost or gained by an atom is the charge on that atom.
(c)
Answer to Problem 34A
The number of electrons gained by a chlorine atom is 1.
Explanation of Solution
The atomic number of the chlorine element is 17. The electronic configuration of Cl is as follows:
Thus, it has 7 valance electrons. To achieve a stable electron configuration or to complete an octet, chlorine can gain 1 electron.
Thus, the number of electrons gained by a chlorine atom is 1.
(d)
Interpretation: The number of electrons gained by phosphorus atom to get a stable electron configuration needs to be determined.
Concept Introduction: A stable electron configuration has a complete octet. To achieve a stable electron configuration, an atom of an element can gain or lose electron/s. The number of electrons lost or gained by an atom is the charge on that atom.
(d)
Answer to Problem 34A
The number of electrons gained by a phosphorus atom is 3.
Explanation of Solution
The atomic number of phosphorus element is 15. The electronic configuration of P is as follows:
Thus, it has 5 valance electrons. To achieve a stable electron configuration or to complete an octet, phosphorus can gain 3 electrons.
Thus, the number of electrons gained by a phosphorus atom is 3.
Chapter 7 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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