(a)
Interpretation: The symbol and complete electron configuration of the given element is to be stated.
Concept Introduction : Periodic table is the
(a)
Answer to Problem 112A
The symbol and complete electron configuration of the given element is K and
Explanation of Solution
The given element belongs to Group 1A, Period 4. It is potassium and its symbol is K. The complete electron configuration is
(b)
Interpretation: The symbol and complete electron configuration of the given element is to be stated.
Concept Introduction : Periodic table is the representation of the elements. There are 18 groups and 7 period in the periodic table. Elements are arranged in the increasing order of their atomic number.
(b)
Answer to Problem 112A
The symbol and complete electron configuration of the given element is Al and
Explanation of Solution
The given element belongs to Group 3A, Period 3. It is aluminium and its symbol is Al. The complete electron configuration is
(c)
Interpretation: The symbol and complete electron configuration of the given element is to be stated.
Concept Introduction : Periodic table is the representation of the elements. There are 18 groups and 7 period in the periodic table. Elements are arranged in the increasing order of their atomic number.
(c)
Answer to Problem 112A
The symbol and complete electron configuration of the given element is Se and
Explanation of Solution
The given element belongs to Group 6A, Period 3. It is selenium and its symbol is Se. The complete electron configuration is
(d)
Interpretation: The symbol and complete electron configuration of the given element is to be stated.
Concept Introduction : Periodic table is the representation of the elements. There are 18 groups and 7 period in the periodic table. Elements are arranged in the increasing order of their atomic number.
(d)
Answer to Problem 112A
The symbol and complete electron configuration of the given element is Ra and
Explanation of Solution
The given element belongs to Group 2A, Period 6. It is radium and its symbol is Ra. The complete electron configuration is
Chapter 7 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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