atomic number 71

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The term "atomic number 71" refers to the chemical element "Lutetium." Let’s break it down in a way that’s easy to understand.

Basic Explanation:

• Atomic Number: This is a number that defines an element on the periodic table. Each element has a unique atomic number. For Lutetium, the atomic number is 71.
• Lutetium: This is a metal that is part of a group called the "rare earth elements." It is not commonly found in nature by itself, but it usually occurs together with another rare earth element called yttrium.

Using "Lutetium":

• Example: "Lutetium is used in some types of cancer treatment and in making certain types of lasers."

Advanced Usage:

• Scientists and chemists might use "Lutetium" when discussing rare earth metals or in research about new technologies.
• In a more technical context, you might hear about "Lutetium-177," which is a radioactive isotope of Lutetium used in medical applications.

Word Variants:

• The element is often abbreviated as "Lu," which is its chemical symbol on the periodic table.

Different Meanings:

• In general, "atomic number" is a scientific term that does not have alternative meanings outside of chemistry.
• "Lutetium" itself doesn’t have different meanings; it specifically refers to the metal.

Synonyms:

• There aren't direct synonyms for "Lutetium," but it is part of the "rare earth elements," which include other metals like Neodymium and Cerium.

Idioms and Phrasal Verbs:

• There are no idioms or phrasal verbs specifically related to Lutetium or atomic numbers, as it is a specialized scientific term.

Summary:

In summary, "atomic number 71" refers to Lutetium, a rare metal used in various advanced technologies and applications. It’s a specific term used mainly in science, and knowing it can help you understand more about the periodic table and chemistry.

Academic

Noun

1. a trivalent metallic element of the rare earth group; usually occurs in association with yttrium

Synonyms

• lutetium
• lutecium
• Lu