
(a)
Interpretation:
Thenumber of elements in fourth period of periodic table is to be stated.
Concept Introduction:
The elements are made up of atoms. These atoms consist of protons, neutrons and electrons. The electrons revolve around the nucleus in different orbits. The distribution of the electrons in orbit is known as electronic configuration.
(b)
Interpretation:
The number of elements in group
Concept Introduction:
The elements are made up of atoms. These atoms consist of protons neutrons and electrons. The electrons revolve around the nucleus in different orbits. The distribution of the electrons in orbit is known as electronic configuration.

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Chapter 2 Solutions
Loose Leaf for General, Organic and Biological Chemistry with Connect 2 Year Access Card
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