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(a)
Interpretation:
The group, period, and block in which [Kr] 5s24d1 is located in the periodic table needs to be determined.
Concept introduction:
A periodic table consists of groups and periods. The horizontal rows are termed as periods and the vertical rows are termed as groups. The elements with similar properties are placed together in a group.
Answer to Problem 48A
Yttrium (Yt) has the electronic configuration [Kr] 5s24d1. It is located in group 3 of the d-block and in period 5.
Explanation of Solution
[Kr] 5s24d1is the given configuration. This configuration is seen to be located in d-block in group 3 and in period 5 on the periodic table.
On the basis od the location of the group and the period we can say that the element is Yttrium (Yt).
(b)
Interpretation:
The group, period, and block in which[Ar] 4s23d10 4p3is located in the periodic table needs to be determined.
Concept introduction:
A periodic table consists of groups and periods. The horizontal rows are termed as periods and the vertical rows are termed as groups. The elements with similar properties are placed together in a group.
(b)
Answer to Problem 48A
Arsenic (As) has the electronic configuration [Ar] 4s23d10 4p3. It is located in group 15 of the p-block and in period 4.
Explanation of Solution
[Ar] 4s23d10 4p3is the given configuration. This configuration is seen to be located in p-block in group 15 and in period 4 on the periodic table.
On the basis of the location of the group and the period we can say that the element is Arsenic (Ar).
(c)
Interpretation:
The group, period, and block in which [He] 2s22p6is located in the periodic table needs to be determined.
Concept introduction:
A periodic table consists of groups and periods. The horizontal rows are termed as periods and the vertical rows are termed as groups. The elements with similar properties are placed together in a group.
(c)
Answer to Problem 48A
Neon (Ne) has the electronic configuration [He] 2s22p6. It is located in group 18 of the p-block and in period 2.
Explanation of Solution
[He] 2s22p6is the given configuration. This configuration is seen to be located in p-block in group 18 and in period 2 on the periodic table.
On the basis of the location of the group and the period we can say that the element is Neon (Ne).
(d)
Interpretation:
The group, period, and block in which [Ne] 3s23p1is located in the periodic table needs to be determined.
Concept introduction:
A periodic table consists of groups and periods. The horizontal rows are termed as periods and the vertical rows are termed as groups. The elements with similar properties are placed together in a group.
(d)
Answer to Problem 48A
Aluminium (Al) has the electronic configuration[Ne] 3s23p1. It is located in group 13 of the p-block and in period 3.
Explanation of Solution
[Ne] 3s23p1is the given configuration. This configuration is seen to be located in p-block in group 13 and in period 3 on the periodic table.
On the basis of the location of the group and the period we can say that the element is Aluminium (Al).
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