ba-dơ

Definition

1. Noun (Chemistry):
   • Base: A substance that can accept hydrogen ions (protons) or donate a pair of valence electrons. In aqueous solution, it typically has a pH greater than 7, feels slippery, and turns red litmus paper blue.

Usage Examples

• Noun:
  • Natri hiđroxit là một ba-dơ mạnh. (Sodium hydroxide is a strong base.)
  • Phản ứng giữa một axit và một ba-dơ tạo ra muối và nước. (The reaction between an acid and a base produces salt and water.)

Advanced Usage

• "ba-dơ Lewis": Lewis base.
  • Amoniac là một ví dụ điển hình của ba-dơ Lewis. (Ammonia is a classic example of a Lewis base.)

Variants and Related Words

• Bazơ: This is a more common modern Vietnamese spelling for "base" in chemistry.
  • Dung dịch bazơ làm quỳ tím hóa xanh. (A basic solution turns litmus paper blue.)

Synonyms

• Alkali: Often used specifically for bases soluble in water.
• Basic compound: A more general descriptive term.

Notes on Usage

• The term "ba-dơ" is a direct phonetic adaptation from the French word "base." In contemporary Vietnamese scientific contexts, the spelling "bazơ" is more frequently used. The word is a specialized term primarily used in chemistry.