The term "atomic number 82" refers to the chemical element lead. Let’s break it down in a simple way.
Basic Explanation:
Lead is a type of metal. In the periodic table, it is assigned the atomic number 82, which means it has 82 protons in its nucleus.
It is a soft and heavy metal. This means it is easy to shape and quite weighty.
Lead has a bluish-white color when it is freshly cut, but it quickly changes to a dull grey when exposed to air.
Usage Instructions:
You can use the word "lead" in various contexts, mostly when talking about materials, chemistry, or in everyday situations, like toys or objects made from lead.
Example Sentence:
Advanced Usage:
In scientific contexts, you might encounter phrases like "lead poisoning," which refers to health issues caused by exposure to lead.
In construction, lead is mentioned in discussions about safety, as it can be toxic.
Word Variants:
The adjective form is "leady," which describes something that contains lead or has properties of lead.
The term "lead-based" is often used when referring to products that contain lead, like paints or pipes.
Different Meanings:
Synonyms:
Idioms and Phrasal Verbs:
There aren't specific idioms directly related to "lead" as a metal. However, the verb "to lead" can be part of idioms like "lead by example," which means to show others how to act by your own actions.
A relevant phrasal verb is "lead on," which means to guide someone in a particular direction.
Summary:
Lead (atomic number 82) is a heavy, soft, and toxic metal that was commonly used in the past for various products.