অনুসন্ধান করুন
Chemical element
01
রসায়ন উপাদান
any of the simple chemical substances that consist of atoms of only one type, such as gold, oxygen, carbon, etc.
উদাহরণ
Gold is a precious metal and chemical element with the symbol Au.
Scientists use an absorption spectrum to identify chemical elements and compounds by analyzing the specific wavelengths of light they absorb.
