Determine whether or not each element is a main-group element. a. tellurium b. potass

step 1 To determine whether or not an element is a main group element, we need to know how to read the

Determine whether or not each element is a main-group...

Determine whether or not each element is a main-group element.
$$\begin{array}{l}{\text { a. tellurium }} \\ {\text { b. potassium }} \\ {\text { c. vanadium }} \\ {\text { d. manganese }}\end{array}$$

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Key Concepts

Main-Group Elements

Main-group elements are those found in the s- and p-blocks of the periodic table. They include the alkali metals, alkaline earth metals, and the elements in groups 13 through 18. These elements typically have their outermost electrons in the s and p orbitals, which influences their chemical bonding and reactivity.

Transition Elements

Transition elements are found in the d-block of the periodic table, typically in groups 3 through 12. They often exhibit multiple oxidation states and form complex ions because of the involvement of d-orbitals in bonding. These elements are not considered main-group elements.

Periodic Table Groups

The periodic table is organized into groups or columns that collect elements with similar chemical properties. The division between main-group elements and transition elements is one aspect of this organization, based largely on electron configurations and the blocks (s, p, d, and f) in which their outer electrons are found.

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