atomic number 109

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The term "atomic number 109" refers to a specific chemical element known as "Meitnerium." Let's break down what this means in simple terms:

Basic Definition:

• Atomic Number 109: This is the number that tells us how many protons are in the nucleus of an atom of the element Meitnerium. Each element on the periodic table has a unique atomic number.

Description:

• Meitnerium is a synthetic (man-made) element and is radioactive, which means it can produce radiation. It was named after the physicist Lise Meitner.

Usage Instructions:

• You would typically use "atomic number 109" in scientific contexts, especially when discussing chemistry or physics.

Example Sentence:

• "Meitnerium, with an atomic number of 109, is used in research but does not have practical applications due to its instability."

Advanced Usage:

• In advanced discussions, you might talk about the properties of Meitnerium, such as its behavior in reactions or its isotopes.

Related Terms:

• Element: A substance that consists of only one type of atom.
• Radioactive: A term used to describe substances that emit radiation.

Word Variants:

• There are no direct variants of "atomic number 109," but you can refer to elements by their atomic numbers (like "atomic number 1" for Hydrogen, for example).

Different Meanings:

• In a general sense, "atomic number" can refer to the identifying number of any element, not just Meitnerium.

Synonyms:

• There are no direct synonyms for "atomic number 109," but you might refer to it as "Meitnerium" in conversation.

Related Idioms and Phrasal Verbs:

• There are no common idioms or phrasal verbs specifically related to atomic numbers or elements. However, you might come across phrases like "break down" when discussing how elements combine or react.

Summary:

"Atomic number 109" is a scientific term that describes the number of protons in the element Meitnerium.

Academic

Noun

1. a radioactive transuranic element

Synonyms

• meitnerium
• Mt
• element 109