atomic number 111

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The term "atomic number 111" refers to a specific element in the periodic table of elements. Let’s break it down:

Basic Explanation:

• Atomic Number: This is a number that tells us how many protons are in the nucleus of an atom of an element. Each element has a unique atomic number.
• 111: This means that this element has 111 protons.

What is it?

• Element: Atomic number 111 corresponds to the element Roentgenium (Rg). It is a man-made, radioactive element that is not found naturally on Earth.

Usage Instructions:

• You can use "atomic number 111" when discussing chemistry, particularly when talking about elements and their properties.

Example:

• "Roentgenium, with atomic number 111, was discovered in 1994 and is named after the physicist Wilhelm Röntgen."

Advanced Usage:

• In scientific discussions, you might encounter phrases like "the properties of elements with atomic numbers greater than 100," where atomic number 111 would be included in that discussion.

Word Variants:

• Roentgenium: This is the name of the element itself.
• Radioactive: This describes elements like Roentgenium that emit radiation.

Different Meanings:

• In a broader sense, "atomic number" refers to the identity of an element in chemistry. For example, hydrogen has an atomic number of 1, meaning it has 1 proton.

Synonyms:

• There are no direct synonyms for "atomic number 111," but you can refer to it as "Roentgenium" when naming the element.

Idioms and Phrasal Verbs:

• There aren’t specific idioms or phrasal verbs related to "atomic number 111," but in scientific contexts, you might hear phrases like "break down" (to analyze) or "come up with" (to discover or create).

Summary:

• "Atomic number 111" is a scientific term indicating the element Roentgenium, which has 111 protons. It is a radioactive element used in advanced chemistry discussions.

Academic

Noun

1. a radioactive transuranic element

Synonyms

• roentgenium
• Rg
• element 111