Rb是什么意思 Rb的读音、翻译、用法

作者: 用户投稿 阅读:143 点赞:0

'Rb' 不是任何一个国家的语言,它是元素周期表中的符号,代表着红色宝石(Ruby)元素。

例句:

1. The atomic number of Rb is 37. (Rb的原子序数是37。)

2. Rb is a soft, silvery-white metallic element. (Rb是一种柔软的、银白色的金属元素。)

3. Rb is highly reactive and can spontaneously catch fire in air. (Rb极易反应,在空气中可以自燃。)

4. Rb is used in atomic clocks to measure time.(Rb可以用于原子钟来测量时间。)

5. Rb is often used in the study of metabolism and brain function. (Rb常被用于代谢和脑功能的研究中。)

6. The Rb atom has one valence electron. (Rb原子具有一个价电子。)

7. Rb is classified as an alkali metal.(Rb被归类为碱金属。)

8. Rb has a melting point of 39.3°C. (Rb的熔点为39.3℃。)

9. Rb compounds have applications in lasers, photocells and superconductors.(Rb化合物可用于激光器、光电池和超导体的应用中。)

标签:

  • 评论列表 (0