Question

Rewrite the following statements with suitable words in the blanks 2) The arrnagement of elements ina group of three is known as​

Answer 1

Answer:

the arrangement of element in a group of three is known as periodic table

Explanation:

When the group is understood to contain all of the lanthanides, its trivial name is the rare-earth metals. Three group 3 elements occur naturally, scandium, yttrium, and either lanthanum or lutetium