Calcium nitride has the compound formula Ca3N2 and is a dark brown powder. It oxidizes at room temperature and dissolves into dilute acids. Calcium nitride, with the compound formula of Ca3N2, is a brown powder that oxidizes in the air and dissolves…
According to foreign media reports, diamonds are forever and gold is precious, but which one is rarer? Is their rarity proportional to the price of jewelry in a jewelry store? In fact, the answer may not be as obvious as you might think. Gold, a heav…
According to data released by the National Bureau of Statistics, in early April 2021 compared with late March, the market prices of 50 important means of production and 27 products in the national circulation field have risen. Among them, the price o…
Since the beginning of this year, people around the world have felt the pressure of rising prices. Not only the rise in oil prices but also different industries have seen soaring prices. According to the latest data, from August 2021 to the present,…