Concept explainers
(a)
To determine: If the given element is a noble gas.
Interpretation: The given element is to be identified as a noble gas.
Concept introduction: Periodic table is the arrangement of elements in the increasing order of
The group
(b)
To determine: If the given element is a noble gas.
Interpretation: The given element is to be identified as a noble gas.
Concept introduction: Periodic table is the arrangement of elements in the increasing order of atomic number. The elements present on the right side of periodic table are nonmetals whereas the elements present on the left side are metals and elements present in between metal and nonmetals are metalloids.
(c)
To determine: If the given element is a noble gas.
Interpretation: The given element is to be identified as a noble gas.
Concept introduction: Periodic table is the arrangement of elements in the increasing order of atomic number. The elements present on the right side of periodic table are nonmetals whereas the elements present on the left side are metals and elements present in between metal and nonmetals are metalloids.
(d)
To determine: If the given element is a noble gas.
Interpretation: The given element is to be identified as a noble gas.
Concept introduction: Periodic table is the arrangement of elements in the increasing order of atomic number. The elements present on the right side of periodic table are nonmetals whereas the elements present on the left side are metals and elements present in between metal and nonmetals are metalloids.
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