
(a)
Interpretation:
Names and
Concept introduction:
In chemistry, elements having similar chemical and physical properties are grouped together. According to Dalton’s atomic theory, elements are arranged according to their
(b)
Interpretation:
Names and symbols for four elements in each of the given categories have to be given.
Concept introduction:
In chemistry, elements having similar chemical and physical properties are grouped together. According to Dalton’s atomic theory, elements are arranged according to their atomic number in tabular arrangement. This table consists of vertical columns and horizontal row. Elements arranged in vertical columns called “groups” or “families” and elements in the horizontal row called “periods”. This tabular arrangement called “periodic table”.
(c)
Interpretation:
Names and symbols for four elements in each of the given categories have to be given.
Concept introduction:
In chemistry, elements having similar chemical and physical properties are grouped together. According to Dalton’s atomic theory, elements are arranged according to their atomic number in tabular arrangement. This table consists of vertical columns and horizontal row. Elements arranged in vertical columns called “groups” or “families” and elements in the horizontal row called “periods”. This tabular arrangement called “periodic table”.

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Chapter 2 Solutions
Chemistry: Atoms First V1
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