[Answer] 22. Which of the following elements has the largest atomic size?Ma. Sb. Cac. Bad. Poe. Rn

Answer: Ba
22. Which of the following elements has the largest atomic size?Ma. Sb. Cac. Bad. Poe. Rn

A metalloid is a type of chemical element which has a preponderance of properties in between or that are a mixture of those of metals and nonmetals.There is no standard definition of a metalloid and no complete agreement on which elements are metalloids. Despite the lack of specificity the term remains in use in the literature of chemistry.. The six commonly recognised metalloids are boron …

The rare-earth elements also called the rare-earth metals or (in context) rare-earth oxides or the lanthanides (though yttrium and scandium are usually included as rare-earths) are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals. Scandium and yttrium are considered rare-earth elements because they tend to occur in the same ore deposits as the lanthanides and …

Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air.Its physical and chemical properties are most similar to its heavier homologues strontium and barium.It is the fifth most abundant element in Earth…

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