Solutions are clear – you can see through them. Common solvents include water, ethanol and white spirit. A compound contains atoms of different elements, chemically joined together. Compounds ...

A covalent bond happens when the positive nuclei from two different atoms are held together by their common attraction ... Covalent compounds do not conduct electricity. Substances that consist ...

Researchers have decoded the genetic blueprint of Penicillium citrinum, a common citrus mold, to uncover how nature produces cyclopentachromone -- a key building block for bioactive compounds with ...