atomic number 80

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The term "atomic number 80" refers to the element mercury in the periodic table of elements. Let's break it down for better understanding:

Basic Explanation:

Atomic Number: This is a number that tells you how many protons are in the nucleus of an atom of an element. Each element has a unique atomic number.
80: This means that mercury has 80 protons in its nucleus.

Characteristics of Mercury:

Metal: Mercury is a type of metal.
Heavy: It is denser than many other metals.
Silvery: Mercury has a shiny, silver-like appearance.
Toxic: Mercury can be harmful or poisonous to humans and animals.
Liquid at Ordinary Temperatures: Unlike most metals, which are solid at room temperature, mercury is liquid.

Usage Instructions:

You can use "mercury" in sentences when talking about elements, chemistry, or environmental issues. For example:
- "Mercury is used in thermometers because it expands and contracts with temperature changes."

Example Sentence:

"The scientist explained that mercury, with atomic number 80, is unique because it is the only metal that is liquid at room temperature."

Advanced Usage:

In more advanced discussions, you might talk about mercury's applications in various fields, such as:
- "Due to its high density and conductivity, mercury is often used in barometers and other scientific instruments."

Word Variants:

Mercurial: This adjective means something that is changeable or unpredictable, often referring to moods or personalities.
Mercury Poisoning: This term refers to the harmful effects of mercury on the body.

Different Meanings:

Mercury can also refer to the planet closest to the sun or the Roman messenger god.

Synonyms:

There are no direct synonyms for "mercury" in the context of the element, but it may be referred to as "quicksilver" in historical texts.

Idioms and Phrasal Verbs:

While there are no specific idioms or phrasal verbs that use "mercury," you might encounter phrases like "mercurial temperament" to describe someone whose mood changes quickly.

Summary:

In summary, "atomic number 80" is a scientific way to refer to mercury, an important and unique element.

Noun

a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures

atomic number 80 ▶