Interpretation:
The element’s group, period and block in the periodic table needs to be determined with electron configuration
Concept introduction:
The electron configuration of an element defines the distribution of electrons in its atomic orbitals. Electron configurations of atoms obey a standard representation in which all the atomic sub-shells are arranged in a sequence.
Answer to Problem 82A
The element is calcium and it is located in group 2, period four and it is an s-block element.
Explanation of Solution
The electron configuration of the element is
The electron configuration indicates that there are two valence electrons therefore, the element is found in group 2(IIA). From the electron configuration, it is clear that the principal energy level is 4. So, the element is in period 4 and it is s block elements. Hence, the element is calcium.
Chapter 6 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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