Elements 21-30 are known as ________

Question

Quizplus · Accepted Answer

Elements 21-30 are transition metals, which are characterized by having partially filled d orbitals in their atomic structure.

Note: 
A) Alkaline earths refer to elements 2-20 in the periodic table 
B) Chalcogens refer to elements 16-18 
C) Halides refer to compounds that are formed between a halogen (elements 17) and a metal 
E) Rare earths refer to a group of elements that are located in the lanthanide series (elements 57-71) and actinide series (elements 89-103) of the periodic table.

Elements 21-30 Are Known as ________