Ar

Ar là một khí hiếm trong bảng tuần hoàn.

Definition

1. Noun:
   • Argon: The chemical symbol for the element argon, a noble gas that is colorless, odorless, and inert, found in the Earth's atmosphere.

Usage Examples

• Noun:
  • Khí Ar chiếm khoảng 0.93% thể tích khí quyển Trái Đất. (Ar gas makes up about 0.93% of the Earth's atmosphere by volume.)
  • Ký hiệu nguyên tố này là Ar. (The symbol for this element is Ar.)

Advanced Usage

• Used primarily in scientific, chemical, and industrial contexts (e.g., welding, lighting) to denote the element argon.
  • Bóng đèn sợi đốt thường chứa khí Ar. (Incandescent light bulbs often contain Ar gas.)

Variants and Related Words

• Argon (n): The full English name for the element represented by the symbol 'Ar'.

Synonyms

• Argon: The inert, noble gas element.