(a)
Interpretation:
The number and name of the group of potassium needs to be explained.
Concept Introduction:
The periodic table is a proper arrangement of the elements according to their increasing
(a)
Answer to Problem 39A
Group number -
Explanation of Solution
The periodic table is divided into two parts one is a vertical column known as groups and the other part is horizontal row termed as a period.
According to the nature of the elements, different groups of the periodic table are categorized as alkali metals, alkaline earth metals, halogen, inert gases, etc.
The group name and number of the given element, Potassium is:
Group number -
Name of the group - Alkali metal
(b)
Interpretation:
The number and name of the group of Ra needs to be explained.
Concept Introduction:
The periodic table is a proper arrangement of the elements according to their increasing atomic number. The elements of same group have similar properties. The periodic table is divided into two sections, one is a vertical column and the other one is horizontal row.
(b)
Answer to Problem 39A
Group number -
Explanation of Solution
The periodic table is divided into two parts one is a vertical column known as groups and the other part is horizontal row termed as a period.
According to the nature of the elements, different groups of the periodic table are categorized as alkali metals, alkaline earth metals, halogen, inert gases, etc.
The group name and number of the given element
Group number -
The name of the group- Alkaline earth metals.
(c)
Interpretation:
The number and name of the group Kr needs to be explained.
Concept Introduction:
The periodic table is a proper arrangement of the elements according to their increasing atomic number. The elements of same group have similar properties. The periodic table is divided into two sections, one is a vertical column and the other one is horizontal row.
(c)
Answer to Problem 39A
Group number −
Explanation of Solution
The periodic table is divided into two parts one is a vertical column known as groups and the other part is horizontal row termed as a period.
According to the nature of the elements, different groups of the periodic table are categorized as alkali metals, alkaline earth metals, halogen, inert gases, etc.
The group name and number of the given element
Group number −
The name of group - Noble gases
(d)
Interpretation:
The number and name of the group Iodine needs to be explained.
Concept Introduction:
The periodic table is a proper arrangement of the elements according to their increasing atomic number. The elements of same group have similar properties. The periodic table is divided into two sections, one is a vertical column and the other one is horizontal row.
(d)
Answer to Problem 39A
Group number -
The group name - Halogen
Explanation of Solution
The periodic table is divided into two parts one is a vertical column known as groups and the other part is horizontal row termed as a period.
According to the nature of the elements, different groups of the periodic table are categorized as alkali metals, alkaline earth metals, halogen, inert gases, etc.
The group name and number of the given element iodine are:
Group number -
The name of group - Halogen
(e)
Interpretation:
The number and name of the group Strontium needs to be explained.
Concept Introduction:
The periodic table is a proper arrangement of the elements according to their increasing atomic number. The elements of same group have similar properties. The periodic table is divided into two sections, one is a vertical column and the other one is horizontal row.
(e)
Answer to Problem 39A
Group number -
The name of group - Alkaline earth metals
Explanation of Solution
The periodic table is divided into two parts one is a vertical column known as groups and the other part is horizontal row termed as a period.
According to the nature of the elements, different groups of the periodic table are categorized as alkali metals, alkaline earth metals, halogen, inert gases, etc.
The group name and number of the given element Strontium are:
Group number -
Name of the group - Alkaline earth metals
(f)
Interpretation:
The number and name of the group Xe needs to be explained.
Concept Introduction:
The periodic table is a proper arrangement of the elements according to their increasing atomic number. The elements of same group have similar properties. The periodic table is divided into two sections, one is a vertical column and the other one is horizontal row.
(f)
Answer to Problem 39A
Group number -
The group name- Noble gases
Explanation of Solution
The periodic table is divided into two parts one is a vertical column known as groups and the other part is horizontal row termed as a period.
According to the nature of the elements, different groups of the periodic table are categorized as alkali metals, alkaline earth metals, halogen, inert gases, etc.
The group name and number of the given element
Group number -
The group name - Noble gases
(g)
Interpretation:
The number and name of the group Cs needs to be explained.
Concept Introduction:
The periodic table is a proper arrangement of the elements according to their increasing atomic number. The elements of same group have similar properties. The periodic table is divided into two sections, one is a vertical column and the other one is horizontal row.
(g)
Answer to Problem 39A
Group number -
The group name - Alkali metals
Explanation of Solution
The periodic table is divided into two parts one is a vertical column known as groups and the other part is horizontal row termed as a period.
According to the nature of the elements, different groups of the periodic table are categorized as alkali metals, alkaline earth metals, halogen, inert gases, etc.
The group name and number of the given element
Group number -
Name of the group- Alkali metals
Chapter 3 Solutions
World of Chemistry
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