atomic number 3

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The term "atomic number 3" refers to the element lithium. Let's break down what this means in a simple way.

Definition:

• Atomic Number 3: This is a scientific term that tells us about an element in the periodic table. The atomic number of an element is the number of protons in its nucleus. For lithium, this number is 3.

Usage Instructions:

• When you see "atomic number 3," you can think of it as a way to identify lithium. In chemistry, each element has a unique atomic number, which helps scientists understand its properties and behavior.

Example:

• "Lithium, with atomic number 3, is used in batteries and mood-stabilizing medications."

Advanced Usage:

• In scientific contexts, you might see atomic numbers used to compare elements or to discuss their placement in the periodic table. For example, lithium is found in Group 1, which means it is an alkali metal.

Word Variants:

• Element: The basic building block of matter, like lithium.
• Lithium: The actual name of the element with atomic number 3.
• Li: The chemical symbol for lithium.

Different Meanings:

• While "atomic number 3" specifically refers to lithium in chemistry, the words "atomic" and "number" can have different meanings in other contexts. For example, "atomic" might refer to anything related to atoms in general, not just lithium.

Synonyms:

• There are no direct synonyms for "atomic number 3," but you could refer to it as "lithium" or "Li" when discussing it in a less formal way.

Idioms and Phrasal Verbs:

• There are no specific idioms or phrasal verbs that directly relate to "atomic number 3." However, in scientific discussions, you might encounter phrases like "break down" (to analyze) or "make up" (to consist of).

Summary:

So, "atomic number 3" means lithium, an important element in the alkali metal group, known for being soft, silver-white, and the lightest metal. It has various uses, especially in technology and medicine.

Academic

Noun

1. a soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals

Synonyms

• lithium
• Li