1. The definition of the ferro chromiumFerrochromium is an iron alloy with chromium and iron as the main components, which is one of the main alloying agents used in the steel industry. Except for the...
Ⅰ. How to distinguish iodine and aluminum pellets?Iodine is a purple-black shiny flaky crystal with an atomic number of 53, and the natural isotope is iodine-127 with 74 neutrons. Iodine has a high v...
Aluminum is a silver-white metal and ranks third in the earth's crust after oxygen and silicon. The density of aluminum is relatively small, only 34.61% of iron and 30.33% of copper, so it is also...