Definition

Examples

• 化学课上，老师让我们记住周期表。
  Huàxué kè shàng, lǎoshī ràng wǒmen jìzhù zhōu qī biǎo.
  In chemistry class, the teacher asked us to memorize the periodic table.
• 周期表按照原子序数排列。
  zhōu qī biǎo ànzhào yuánzǐ xùshù páiliè.
  The periodic table is arranged by atomic number.
• 科学家用周期表来预测新元素的性质。
  Kēxuéjiā yòng zhōu qī biǎo lái yùcè xīn yuánsù de xìngzhì.
  Scientists use the periodic table to predict the properties of new elements.