atomic number 79

Friendly

The term "atomic number 79" refers to the chemical element gold. Let's break this down to help you understand it better.

Basic Explanation

• Atomic Number: This is a number that tells us how many protons are in the nucleus of an atom of an element. For gold, this number is 79.
• Gold: Gold is a soft (easy to shape), yellow (its color), malleable (can be hammered into thin sheets), and ductile (can be drawn into wires) metal.

Usage Instructions

• Context: You would typically use "gold" when talking about jewelry, money, or elements in chemistry. For example, "She wore a beautiful gold necklace."

Example

• In a sentence: "Gold has an atomic number of 79, which means it is a unique element found in nature."

Advanced Usage

• In chemistry, gold is often discussed in terms of its properties and reactions. For example: "Gold does not react with most chemicals, which makes it valuable for use in electronics."

Word Variants

• Gold (noun): The element itself.
• Golden (adjective): Something that is made of gold or has the color of gold.
  • Example: "The sunset had a golden hue."
• Goldsmith (noun): A person who makes things out of gold.

Different Meanings

• Gold can also refer to wealth or something precious, as in "He struck gold in his business venture," meaning he became very successful.

Synonyms

• Aurum: The Latin name for gold, often used in scientific contexts.
• Precious metal: A general term that includes gold, silver, and platinum.

Idioms and Phrasal Verbs

• "All that glitters is not gold": This means that not everything that looks valuable or attractive is actually valuable.
• "Gold standard": This refers to something that is considered the best or most reliable standard.

Summary

"Atomic number 79" is a scientific way to refer to gold, a soft, yellow metal that is valuable and does not react with most chemicals.

Academic

Noun

1. a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia

Synonyms

• gold
• Au