Tìm kiếm
Chemical element
01
nguyên tố hóa học
any of the simple chemical substances that consist of atoms of only one type, such as gold, oxygen, carbon, etc.
Ví dụ
Helium is a noble gas chemical element with the atomic number 2.
Uranium is a radioactive chemical element used as fuel in nuclear reactors.
Iron is a common chemical element found in the Earth's crust and core.
Sodium is a highly reactive chemical element used in various industrial processes.
Hydrogen is the lightest chemical element and is found in many compounds.
