Mercury is a metallic element
举一反三
- Which of the following shows the right order of adjectives before a noun？ A: It was made of a strange, green, metallic material. B: It was made of a green, strange, metallic material. C: It was made of a metallic, strange, green material. D: It was made of a metallic, green, strange material.
- The passengers are not allowed to carry metallic things.
- Mercury is a metal pollutant that can disrupt the ecosystem. Why is mercury so disruptive to the ecosystem? A: Organisms excrete the mercury out as waste. B: Organisms use mercury as an enzyme to speed up reactions in an organism's body. C: Mercury slows down the respiration rates of primary consumers. D: Mercury can become concentrated in the tissues of organisms.
- Mercury
- Inject a little mercury (Hg) into a horizontal glass capillary tube. The two ends of the horizontal mercury column are convex. If heating the right convex of mercury, the mercury in the capillary will move ( ). A: to the left B: to the right C: to both ends D: no