atomic number 3

Thân thiện

Lithium is the element with atomic number 3.

Definition

1. Noun:
   • A chemical element: "atomic number 3" is the systematic name for the chemical element with three protons in its atomic nucleus. It is a soft, silver-white, highly reactive metal belonging to the alkali metal group and is the lightest known metal. It occurs naturally in various minerals.

Usage Examples

• Noun:
  • The battery uses a compound containing atomic number 3.
  • Atomic number 3 is essential for certain psychiatric medications.

Advanced Usage

• Scientific Context: The term "atomic number 3" is primarily used in systematic scientific nomenclature, particularly in chemistry, physics, and materials science, to specify the element unambiguously by its proton number.
  • The isotope of interest was lithium-7, an isotope of atomic number 3.

Variants and Related Words

• Lithium (Li): The common name for the element with atomic number 3.
  • Lithium is the common name for atomic number 3.
• Alkali metal: The group of elements to which atomic number 3 belongs.
  • Atomic number 3 is the first member of the alkali metal series.

Synonyms

• Lithium: The standard, non-systematic name for the same element.

Related Phrases

• Atomic number: The number of protons in an atom's nucleus, which defines a chemical element.
  • The concept of atomic number is fundamental; for instance, atomic number 3 defines lithium.

Học thuật

Noun

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

Từ đồng nghĩa

• lithium
• Li