Answer the following questions about Rare Earth Elements: a. List the Lanthanide and Actinide elements: b. ______ How many Rare Earth elements are there? c. Define trans-uranium. d. The Rare Earth metals are found in group _____ and periods _____ and _____.
Atomic Structure
The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.
Shape of the D Orbital
Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.
Answer the following questions about Rare Earth Elements:
a. List the Lanthanide and Actinide elements:
b. ______ How many Rare Earth elements are there?
c. Define trans-uranium.
d. The Rare Earth metals are found in group _____ and periods _____ and _____.
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