The metalloid has five valence electrons in the fourth electron shell is Arsenic, therefore the correct option is D
What are metalloids?
The elements of the periodic tables that behave as metal, as well as the nonmetal in some chemical or physical aspects, are known as metalloids. Some examples of metalloids are Boron, silicon, germanium, arsenic, antimony, tellurium, etc.
Generally, metalloids have an intermediate position in the periodic table which is in between metals and nonmetals.
The valence electrons of the metalloids are intermediate as compared to the metals and the nonmetals further the chemical properties of metalloids are intermediate between metal and nonmetal.
The oxides of the metals are basic in nature and the oxide of the nonmetals are acidic in nature but for metalloids, their oxides are amphoteric in nature.
Thus, The metalloid has five valence electrons in the fourth electron shell is Arsenic, therefore the correct option is D.
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